139625984

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:531

約数の個数: 80

約数和(自身を含む): 303790080

約数和(自身を除く): 164164096

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 256, 304, 463, 496, 512, 589, 608, 926, 992, 1178, 1216, 1852, 1984, 2356, 2432, 3704, 3968, 4712, 4864, 7408, 7936, 8797, 9424, 9728, 14353, 14816, 15872, 17594, 18848, 28706, 29632, 35188, 37696, 57412, 59264, 70376, 75392, 114824, 118528, 140752, 150784, 229648, 237056, 272707, 281504, 301568, 459296, 545414, 563008, 918592, 1090828, 1126016, 1837184, 2181656, 2252032, 3674368, 4363312, 4504064, 7348736, 8726624, 17453248, 34906496, 69812992, 139625984]

約数ペア:

[(1, 139625984), (2, 69812992), (4, 34906496), (8, 17453248), (16, 8726624), (19, 7348736), (31, 4504064), (32, 4363312), (38, 3674368), (62, 2252032), (64, 2181656), (76, 1837184), (124, 1126016), (128, 1090828), (152, 918592), (248, 563008), (256, 545414), (304, 459296), (463, 301568), (496, 281504), (512, 272707), (589, 237056), (608, 229648), (926, 150784), (992, 140752), (1178, 118528), (1216, 114824), (1852, 75392), (1984, 70376), (2356, 59264), (2432, 57412), (3704, 37696), (3968, 35188), (4712, 29632), (4864, 28706), (7408, 18848), (7936, 17594), (8797, 15872), (9424, 14816), (9728, 14353)]