217505808

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{116189}}^1$

素因数の和:116216

約数の個数: 60

約数和(自身を含む): 655543980

約数和(自身を除く): 438038172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 116189, 232378, 348567, 464756, 697134, 929512, 1045701, 1394268, 1510457, 1859024, 2091402, 2788536, 3020914, 4182804, 4531371, 5577072, 6041828, 8365608, 9062742, 12083656, 13594113, 16731216, 18125484, 24167312, 27188226, 36250968, 54376452, 72501936, 108752904, 217505808]

約数ペア:

[(1, 217505808), (2, 108752904), (3, 72501936), (4, 54376452), (6, 36250968), (8, 27188226), (9, 24167312), (12, 18125484), (13, 16731216), (16, 13594113), (18, 12083656), (24, 9062742), (26, 8365608), (36, 6041828), (39, 5577072), (48, 4531371), (52, 4182804), (72, 3020914), (78, 2788536), (104, 2091402), (117, 1859024), (144, 1510457), (156, 1394268), (208, 1045701), (234, 929512), (312, 697134), (468, 464756), (624, 348567), (936, 232378), (1872, 116189)]