66875396

素因数分解:

$2^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 138432000

約数和(自身を除く): 71556604

約数列:

[1, 2, 4, 7, 14, 28, 49, 79, 98, 158, 196, 316, 343, 553, 617, 686, 1106, 1234, 1372, 2212, 2468, 3871, 4319, 7742, 8638, 15484, 17276, 27097, 30233, 48743, 54194, 60466, 97486, 108388, 120932, 194972, 211631, 341201, 423262, 682402, 846524, 1364804, 2388407, 4776814, 9553628, 16718849, 33437698, 66875396]

約数ペア:

[(1, 66875396), (2, 33437698), (4, 16718849), (7, 9553628), (14, 4776814), (28, 2388407), (49, 1364804), (79, 846524), (98, 682402), (158, 423262), (196, 341201), (316, 211631), (343, 194972), (553, 120932), (617, 108388), (686, 97486), (1106, 60466), (1234, 54194), (1372, 48743), (2212, 30233), (2468, 27097), (3871, 17276), (4319, 15484), (7742, 8638)]