260896688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73783}}^1$

素因数の和:73821

約数の個数: 40

約数和(自身を含む): 576400608

約数和(自身を除く): 315503920

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 73783, 147566, 295132, 590264, 959179, 1180528, 1254311, 1918358, 2508622, 3836716, 5017244, 7673432, 10034488, 15346864, 16306043, 20068976, 32612086, 65224172, 130448344, 260896688]

約数ペア:

[(1, 260896688), (2, 130448344), (4, 65224172), (8, 32612086), (13, 20068976), (16, 16306043), (17, 15346864), (26, 10034488), (34, 7673432), (52, 5017244), (68, 3836716), (104, 2508622), (136, 1918358), (208, 1254311), (221, 1180528), (272, 959179), (442, 590264), (884, 295132), (1768, 147566), (3536, 73783)]