81998902528

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1\times {\mathrm{787}}^1$

素因数の和:1544

約数の個数: 144

約数和(自身を含む): 178333603840

約数和(自身を除く): 96334701312

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 496, 589, 608, 691, 787, 992, 1178, 1216, 1382, 1574, 1984, 2356, 2432, 2764, 3148, 3968, 4712, 4864, 5528, 6296, 7936, 9424, 11056, 12592, 13129, 14953, 18848, 21421, 22112, 24397, 25184, 26258, 29906, 37696, 42842, 44224, 48794, 50368, 52516, 59812, 75392, 85684, 88448, 97588, 100736, 105032, 119624, 150784, 171368, 176896, 195176, 201472, 210064, 239248, 342736, 390352, 406999, 420128, 463543, 478496, 543817, 685472, 780704, 813998, 840256, 927086, 956992, 1087634, 1370944, 1561408, 1627996, 1680512, 1854172, 1913984, 2175268, 2741888, 3122816, 3255992, 3361024, 3708344, 3827968, 4350536, 5483776, 6245632, 6511984, 7416688, 8701072, 10332523, 13023968, 14833376, 16858327, 17402144, 20665046, 26047936, 29666752, 33716654, 34804288, 41330092, 52095872, 59333504, 67433308, 69608576, 82660184, 104191744, 118667008, 134866616, 139217152, 165320368, 269733232, 320308213, 330640736, 539466464, 640616426, 661281472, 1078932928, 1281232852, 1322562944, 2157865856, 2562465704, 2645125888, 4315731712, 5124931408, 10249862816, 20499725632, 40999451264, 81998902528]

約数ペア:

[(1, 81998902528), (2, 40999451264), (4, 20499725632), (8, 10249862816), (16, 5124931408), (19, 4315731712), (31, 2645125888), (32, 2562465704), (38, 2157865856), (62, 1322562944), (64, 1281232852), (76, 1078932928), (124, 661281472), (128, 640616426), (152, 539466464), (248, 330640736), (256, 320308213), (304, 269733232), (496, 165320368), (589, 139217152), (608, 134866616), (691, 118667008), (787, 104191744), (992, 82660184), (1178, 69608576), (1216, 67433308), (1382, 59333504), (1574, 52095872), (1984, 41330092), (2356, 34804288), (2432, 33716654), (2764, 29666752), (3148, 26047936), (3968, 20665046), (4712, 17402144), (4864, 16858327), (5528, 14833376), (6296, 13023968), (7936, 10332523), (9424, 8701072), (11056, 7416688), (12592, 6511984), (13129, 6245632), (14953, 5483776), (18848, 4350536), (21421, 3827968), (22112, 3708344), (24397, 3361024), (25184, 3255992), (26258, 3122816), (29906, 2741888), (37696, 2175268), (42842, 1913984), (44224, 1854172), (48794, 1680512), (50368, 1627996), (52516, 1561408), (59812, 1370944), (75392, 1087634), (85684, 956992), (88448, 927086), (97588, 840256), (100736, 813998), (105032, 780704), (119624, 685472), (150784, 543817), (171368, 478496), (176896, 463543), (195176, 420128), (201472, 406999), (210064, 390352), (239248, 342736)]