64811916

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1753}}^1$

素因数の和:1855

約数の個数: 72

約数和(自身を含む): 178767680

約数和(自身を除く): 113955764

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 79, 117, 156, 158, 234, 237, 316, 468, 474, 711, 948, 1027, 1422, 1753, 2054, 2844, 3081, 3506, 4108, 5259, 6162, 7012, 9243, 10518, 12324, 15777, 18486, 21036, 22789, 31554, 36972, 45578, 63108, 68367, 91156, 136734, 138487, 205101, 273468, 276974, 410202, 415461, 553948, 820404, 830922, 1246383, 1661844, 1800331, 2492766, 3600662, 4985532, 5400993, 7201324, 10801986, 16202979, 21603972, 32405958, 64811916]

約数ペア:

[(1, 64811916), (2, 32405958), (3, 21603972), (4, 16202979), (6, 10801986), (9, 7201324), (12, 5400993), (13, 4985532), (18, 3600662), (26, 2492766), (36, 1800331), (39, 1661844), (52, 1246383), (78, 830922), (79, 820404), (117, 553948), (156, 415461), (158, 410202), (234, 276974), (237, 273468), (316, 205101), (468, 138487), (474, 136734), (711, 91156), (948, 68367), (1027, 63108), (1422, 45578), (1753, 36972), (2054, 31554), (2844, 22789), (3081, 21036), (3506, 18486), (4108, 15777), (5259, 12324), (6162, 10518), (7012, 9243)]