215344984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{15373}}^1$

素因数の和:15499

約数の個数: 32

約数和(自身を含む): 431701920

約数和(自身を除く): 216356936

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1751, 3502, 7004, 14008, 15373, 30746, 61492, 122984, 261341, 522682, 1045364, 1583419, 2090728, 3166838, 6333676, 12667352, 26918123, 53836246, 107672492, 215344984]

約数ペア:

[(1, 215344984), (2, 107672492), (4, 53836246), (8, 26918123), (17, 12667352), (34, 6333676), (68, 3166838), (103, 2090728), (136, 1583419), (206, 1045364), (412, 522682), (824, 261341), (1751, 122984), (3502, 61492), (7004, 30746), (14008, 15373)]