31358968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2003}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 62524800

約数和(自身を除く): 31165832

約数列:

[1, 2, 4, 8, 19, 38, 76, 103, 152, 206, 412, 824, 1957, 2003, 3914, 4006, 7828, 8012, 15656, 16024, 38057, 76114, 152228, 206309, 304456, 412618, 825236, 1650472, 3919871, 7839742, 15679484, 31358968]

約数ペア:

[(1, 31358968), (2, 15679484), (4, 7839742), (8, 3919871), (19, 1650472), (38, 825236), (76, 412618), (103, 304456), (152, 206309), (206, 152228), (412, 76114), (824, 38057), (1957, 16024), (2003, 15656), (3914, 8012), (4006, 7828)]