155564255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 237357120

約数和(自身を除く): 81792865

約数列:

[1, 5, 7, 11, 35, 55, 77, 109, 121, 337, 385, 545, 605, 763, 847, 1199, 1685, 2359, 3707, 3815, 4235, 5995, 8393, 11795, 13189, 18535, 25949, 36733, 40777, 41965, 65945, 92323, 129745, 183665, 203885, 257131, 285439, 404063, 461615, 1285655, 1427195, 2020315, 2828441, 4444693, 14142205, 22223465, 31112851, 155564255]

約数ペア:

[(1, 155564255), (5, 31112851), (7, 22223465), (11, 14142205), (35, 4444693), (55, 2828441), (77, 2020315), (109, 1427195), (121, 1285655), (337, 461615), (385, 404063), (545, 285439), (605, 257131), (763, 203885), (847, 183665), (1199, 129745), (1685, 92323), (2359, 65945), (3707, 41965), (3815, 40777), (4235, 36733), (5995, 25949), (8393, 18535), (11795, 13189)]