131289808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1873}}^1$

素因数の和:2231

約数の個数: 40

約数和(自身を含む): 274900808

約数和(自身を除く): 143611000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 337, 674, 1348, 1873, 2696, 3746, 4381, 5392, 7492, 8762, 14984, 17524, 24349, 29968, 35048, 48698, 70096, 97396, 194792, 389584, 631201, 1262402, 2524804, 5049608, 8205613, 10099216, 16411226, 32822452, 65644904, 131289808]

約数ペア:

[(1, 131289808), (2, 65644904), (4, 32822452), (8, 16411226), (13, 10099216), (16, 8205613), (26, 5049608), (52, 2524804), (104, 1262402), (208, 631201), (337, 389584), (674, 194792), (1348, 97396), (1873, 70096), (2696, 48698), (3746, 35048), (4381, 29968), (5392, 24349), (7492, 17524), (8762, 14984)]