87888320968

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{640847}}^1$

素因数の和:640970

約数の個数: 64

約数和(自身を含む): 196868505600

約数和(自身を除く): 108980184632

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 79, 124, 158, 217, 248, 316, 434, 553, 632, 868, 1106, 1736, 2212, 2449, 4424, 4898, 9796, 17143, 19592, 34286, 68572, 137144, 640847, 1281694, 2563388, 4485929, 5126776, 8971858, 17943716, 19866257, 35887432, 39732514, 50626913, 79465028, 101253826, 139063799, 158930056, 202507652, 278127598, 354388391, 405015304, 556255196, 708776782, 1112510392, 1417553564, 1569434303, 2835107128, 3138868606, 6277737212, 10986040121, 12555474424, 21972080242, 43944160484, 87888320968]

約数ペア:

[(1, 87888320968), (2, 43944160484), (4, 21972080242), (7, 12555474424), (8, 10986040121), (14, 6277737212), (28, 3138868606), (31, 2835107128), (56, 1569434303), (62, 1417553564), (79, 1112510392), (124, 708776782), (158, 556255196), (217, 405015304), (248, 354388391), (316, 278127598), (434, 202507652), (553, 158930056), (632, 139063799), (868, 101253826), (1106, 79465028), (1736, 50626913), (2212, 39732514), (2449, 35887432), (4424, 19866257), (4898, 17943716), (9796, 8971858), (17143, 5126776), (19592, 4485929), (34286, 2563388), (68572, 1281694), (137144, 640847)]