156912730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6977}}^1$

素因数の和:7170

約数の個数: 32

約数和(自身を含む): 305971344

約数和(自身を除く): 149058614

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 865, 1730, 2249, 4498, 6977, 11245, 13954, 22490, 34885, 69770, 90701, 181402, 453505, 907010, 1207021, 2414042, 6035105, 12070210, 15691273, 31382546, 78456365, 156912730]

約数ペア:

[(1, 156912730), (2, 78456365), (5, 31382546), (10, 15691273), (13, 12070210), (26, 6035105), (65, 2414042), (130, 1207021), (173, 907010), (346, 453505), (865, 181402), (1730, 90701), (2249, 69770), (4498, 34885), (6977, 22490), (11245, 13954)]