78397736

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 149212800

約数和(自身を除く): 70815064

約数列:

[1, 2, 4, 8, 131, 239, 262, 313, 478, 524, 626, 956, 1048, 1252, 1912, 2504, 31309, 41003, 62618, 74807, 82006, 125236, 149614, 164012, 250472, 299228, 328024, 598456, 9799717, 19599434, 39198868, 78397736]

約数ペア:

[(1, 78397736), (2, 39198868), (4, 19599434), (8, 9799717), (131, 598456), (239, 328024), (262, 299228), (313, 250472), (478, 164012), (524, 149614), (626, 125236), (956, 82006), (1048, 74807), (1252, 62618), (1912, 41003), (2504, 31309)]