253577168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71713}}^1$

素因数の和:71751

約数の個数: 40

約数和(自身を含む): 560229768

約数和(自身を除く): 306652600

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 71713, 143426, 286852, 573704, 932269, 1147408, 1219121, 1864538, 2438242, 3729076, 4876484, 7458152, 9752968, 14916304, 15848573, 19505936, 31697146, 63394292, 126788584, 253577168]

約数ペア:

[(1, 253577168), (2, 126788584), (4, 63394292), (8, 31697146), (13, 19505936), (16, 15848573), (17, 14916304), (26, 9752968), (34, 7458152), (52, 4876484), (68, 3729076), (104, 2438242), (136, 1864538), (208, 1219121), (221, 1147408), (272, 932269), (442, 573704), (884, 286852), (1768, 143426), (3536, 71713)]