85779790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 173311488

約数和(自身を除く): 87531698

約数列:

[1, 2, 5, 10, 17, 31, 34, 41, 62, 82, 85, 155, 170, 205, 310, 397, 410, 527, 697, 794, 1054, 1271, 1394, 1985, 2542, 2635, 3485, 3970, 5270, 6355, 6749, 6970, 12307, 12710, 13498, 16277, 21607, 24614, 32554, 33745, 43214, 61535, 67490, 81385, 108035, 123070, 162770, 209219, 216070, 276709, 418438, 504587, 553418, 1009174, 1046095, 1383545, 2092190, 2522935, 2767090, 5045870, 8577979, 17155958, 42889895, 85779790]

約数ペア:

[(1, 85779790), (2, 42889895), (5, 17155958), (10, 8577979), (17, 5045870), (31, 2767090), (34, 2522935), (41, 2092190), (62, 1383545), (82, 1046095), (85, 1009174), (155, 553418), (170, 504587), (205, 418438), (310, 276709), (397, 216070), (410, 209219), (527, 162770), (697, 123070), (794, 108035), (1054, 81385), (1271, 67490), (1394, 61535), (1985, 43214), (2542, 33745), (2635, 32554), (3485, 24614), (3970, 21607), (5270, 16277), (6355, 13498), (6749, 12710), (6970, 12307)]