977894390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2757

約数の個数: 64

約数和(自身を含む): 1990517760

約数和(自身を除く): 1012623370

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 79, 86, 110, 158, 215, 395, 430, 473, 790, 869, 946, 1738, 2365, 2617, 3397, 4345, 4730, 5234, 6794, 8690, 13085, 16985, 26170, 28787, 33970, 37367, 57574, 74734, 112531, 143935, 186835, 206743, 225062, 287870, 373670, 413486, 562655, 1033715, 1125310, 1237841, 2067430, 2274173, 2475682, 4548346, 6189205, 8889949, 11370865, 12378410, 17779898, 22741730, 44449745, 88899490, 97789439, 195578878, 488947195, 977894390]

約数ペア:

[(1, 977894390), (2, 488947195), (5, 195578878), (10, 97789439), (11, 88899490), (22, 44449745), (43, 22741730), (55, 17779898), (79, 12378410), (86, 11370865), (110, 8889949), (158, 6189205), (215, 4548346), (395, 2475682), (430, 2274173), (473, 2067430), (790, 1237841), (869, 1125310), (946, 1033715), (1738, 562655), (2365, 413486), (2617, 373670), (3397, 287870), (4345, 225062), (4730, 206743), (5234, 186835), (6794, 143935), (8690, 112531), (13085, 74734), (16985, 57574), (26170, 37367), (28787, 33970)]