64690648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{25349}}^1$

素因数の和:25395

約数の個数: 32

約数和(自身を含む): 136890000

約数和(自身を除く): 72199352

約数列:

[1, 2, 4, 8, 11, 22, 29, 44, 58, 88, 116, 232, 319, 638, 1276, 2552, 25349, 50698, 101396, 202792, 278839, 557678, 735121, 1115356, 1470242, 2230712, 2940484, 5880968, 8086331, 16172662, 32345324, 64690648]

約数ペア:

[(1, 64690648), (2, 32345324), (4, 16172662), (8, 8086331), (11, 5880968), (22, 2940484), (29, 2230712), (44, 1470242), (58, 1115356), (88, 735121), (116, 557678), (232, 278839), (319, 202792), (638, 101396), (1276, 50698), (2552, 25349)]