256475330

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1\times {\mathrm{1223}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 470427264

約数和(自身を除く): 213951934

約数列:

[1, 2, 5, 10, 67, 134, 313, 335, 626, 670, 1223, 1565, 2446, 3130, 6115, 12230, 20971, 41942, 81941, 104855, 163882, 209710, 382799, 409705, 765598, 819410, 1913995, 3827990, 25647533, 51295066, 128237665, 256475330]

約数ペア:

[(1, 256475330), (2, 128237665), (5, 51295066), (10, 25647533), (67, 3827990), (134, 1913995), (313, 819410), (335, 765598), (626, 409705), (670, 382799), (1223, 209710), (1565, 163882), (2446, 104855), (3130, 81941), (6115, 41942), (12230, 20971)]