8509904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:435

約数の個数: 40

約数和(自身を含む): 17936352

約数和(自身を除く): 9426448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 251, 326, 502, 652, 1004, 1304, 2008, 2119, 2608, 3263, 4016, 4238, 6526, 8476, 13052, 16952, 26104, 33904, 40913, 52208, 81826, 163652, 327304, 531869, 654608, 1063738, 2127476, 4254952, 8509904]

約数ペア:

[(1, 8509904), (2, 4254952), (4, 2127476), (8, 1063738), (13, 654608), (16, 531869), (26, 327304), (52, 163652), (104, 81826), (163, 52208), (208, 40913), (251, 33904), (326, 26104), (502, 16952), (652, 13052), (1004, 8476), (1304, 6526), (2008, 4238), (2119, 4016), (2608, 3263)]