1285452688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{363533}}^1$

素因数の和:363571

約数の個数: 40

約数和(自身を含む): 2839927608

約数和(自身を除く): 1554474920

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 363533, 727066, 1454132, 2908264, 4725929, 5816528, 6180061, 9451858, 12360122, 18903716, 24720244, 37807432, 49440488, 75614864, 80340793, 98880976, 160681586, 321363172, 642726344, 1285452688]

約数ペア:

[(1, 1285452688), (2, 642726344), (4, 321363172), (8, 160681586), (13, 98880976), (16, 80340793), (17, 75614864), (26, 49440488), (34, 37807432), (52, 24720244), (68, 18903716), (104, 12360122), (136, 9451858), (208, 6180061), (221, 5816528), (272, 4725929), (442, 2908264), (884, 1454132), (1768, 727066), (3536, 363533)]