81801096

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1097}}^1$

素因数の和:1358

約数の個数: 64

約数和(自身を含む): 221356800

約数和(自身を除く): 139555704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 239, 312, 478, 717, 956, 1097, 1434, 1912, 2194, 2868, 3107, 3291, 4388, 5736, 6214, 6582, 8776, 9321, 12428, 13164, 14261, 18642, 24856, 26328, 28522, 37284, 42783, 57044, 74568, 85566, 114088, 171132, 262183, 342264, 524366, 786549, 1048732, 1573098, 2097464, 3146196, 3408379, 6292392, 6816758, 10225137, 13633516, 20450274, 27267032, 40900548, 81801096]

約数ペア:

[(1, 81801096), (2, 40900548), (3, 27267032), (4, 20450274), (6, 13633516), (8, 10225137), (12, 6816758), (13, 6292392), (24, 3408379), (26, 3146196), (39, 2097464), (52, 1573098), (78, 1048732), (104, 786549), (156, 524366), (239, 342264), (312, 262183), (478, 171132), (717, 114088), (956, 85566), (1097, 74568), (1434, 57044), (1912, 42783), (2194, 37284), (2868, 28522), (3107, 26328), (3291, 24856), (4388, 18642), (5736, 14261), (6214, 13164), (6582, 12428), (8776, 9321)]