25678792

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1117

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 24318008

約数列:

[1, 2, 4, 8, 41, 79, 82, 158, 164, 316, 328, 632, 991, 1982, 3239, 3964, 6478, 7928, 12956, 25912, 40631, 78289, 81262, 156578, 162524, 313156, 325048, 626312, 3209849, 6419698, 12839396, 25678792]

約数ペア:

[(1, 25678792), (2, 12839396), (4, 6419698), (8, 3209849), (41, 626312), (79, 325048), (82, 313156), (158, 162524), (164, 156578), (316, 81262), (328, 78289), (632, 40631), (991, 25912), (1982, 12956), (3239, 7928), (3964, 6478)]