81773170

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1\times {\mathrm{557}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 150780528

約数和(自身を除く): 69007358

約数列:

[1, 2, 5, 10, 53, 106, 265, 277, 530, 554, 557, 1114, 1385, 2770, 2785, 5570, 14681, 29362, 29521, 59042, 73405, 146810, 147605, 154289, 295210, 308578, 771445, 1542890, 8177317, 16354634, 40886585, 81773170]

約数ペア:

[(1, 81773170), (2, 40886585), (5, 16354634), (10, 8177317), (53, 1542890), (106, 771445), (265, 308578), (277, 295210), (530, 154289), (554, 147605), (557, 146810), (1114, 73405), (1385, 59042), (2770, 29521), (2785, 29362), (5570, 14681)]