72780802

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1305

約数の個数: 16

約数和(自身を含む): 110620224

約数和(自身を除く): 37839422

約数列:

[1, 2, 101, 202, 571, 631, 1142, 1262, 57671, 63731, 115342, 127462, 360301, 720602, 36390401, 72780802]

約数ペア:

[(1, 72780802), (2, 36390401), (101, 720602), (202, 360301), (571, 127462), (631, 115342), (1142, 63731), (1262, 57671)]