645915408

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{791563}}^1$

素因数の和:791591

約数の個数: 40

約数和(自身を含む): 1766770848

約数和(自身を除く): 1120855440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 791563, 1583126, 2374689, 3166252, 4749378, 6332504, 9498756, 12665008, 13456571, 18997512, 26913142, 37995024, 40369713, 53826284, 80739426, 107652568, 161478852, 215305136, 322957704, 645915408]

約数ペア:

[(1, 645915408), (2, 322957704), (3, 215305136), (4, 161478852), (6, 107652568), (8, 80739426), (12, 53826284), (16, 40369713), (17, 37995024), (24, 26913142), (34, 18997512), (48, 13456571), (51, 12665008), (68, 9498756), (102, 6332504), (136, 4749378), (204, 3166252), (272, 2374689), (408, 1583126), (816, 791563)]