87785776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 195647200

約数和(自身を除く): 107861424

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 97, 104, 152, 194, 208, 229, 247, 304, 388, 458, 494, 776, 916, 988, 1261, 1552, 1832, 1843, 1976, 2522, 2977, 3664, 3686, 3952, 4351, 5044, 5954, 7372, 8702, 10088, 11908, 14744, 17404, 20176, 22213, 23816, 23959, 29488, 34808, 44426, 47632, 47918, 56563, 69616, 88852, 95836, 113126, 177704, 191672, 226252, 288769, 355408, 383344, 422047, 452504, 577538, 844094, 905008, 1155076, 1688188, 2310152, 3376376, 4620304, 5486611, 6752752, 10973222, 21946444, 43892888, 87785776]

約数ペア:

[(1, 87785776), (2, 43892888), (4, 21946444), (8, 10973222), (13, 6752752), (16, 5486611), (19, 4620304), (26, 3376376), (38, 2310152), (52, 1688188), (76, 1155076), (97, 905008), (104, 844094), (152, 577538), (194, 452504), (208, 422047), (229, 383344), (247, 355408), (304, 288769), (388, 226252), (458, 191672), (494, 177704), (776, 113126), (916, 95836), (988, 88852), (1261, 69616), (1552, 56563), (1832, 47918), (1843, 47632), (1976, 44426), (2522, 34808), (2977, 29488), (3664, 23959), (3686, 23816), (3952, 22213), (4351, 20176), (5044, 17404), (5954, 14744), (7372, 11908), (8702, 10088)]