220145695

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{577}}^1\times {\mathrm{991}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 330264576

約数和(自身を除く): 110118881

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 577, 991, 2885, 4039, 4955, 6347, 6937, 10901, 20195, 31735, 34685, 44429, 54505, 76307, 222145, 381535, 571807, 2859035, 4002649, 6289877, 20013245, 31449385, 44029139, 220145695]

約数ペア:

[(1, 220145695), (5, 44029139), (7, 31449385), (11, 20013245), (35, 6289877), (55, 4002649), (77, 2859035), (385, 571807), (577, 381535), (991, 222145), (2885, 76307), (4039, 54505), (4955, 44429), (6347, 34685), (6937, 31735), (10901, 20195)]