248505985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{3617}}^1$

素因数の和:3793

約数の個数: 32

約数和(自身を含む): 369556992

約数和(自身を除く): 121051007

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 455, 755, 1057, 1963, 3617, 5285, 9815, 13741, 18085, 25319, 47021, 68705, 126595, 235105, 329147, 546167, 1645735, 2730835, 3823169, 7100171, 19115845, 35500855, 49701197, 248505985]

約数ペア:

[(1, 248505985), (5, 49701197), (7, 35500855), (13, 19115845), (35, 7100171), (65, 3823169), (91, 2730835), (151, 1645735), (455, 546167), (755, 329147), (1057, 235105), (1963, 126595), (3617, 68705), (5285, 47021), (9815, 25319), (13741, 18085)]