311920912

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{290971}}^1$

素因数の和:291046

約数の個数: 20

約数和(自身を含む): 613368976

約数和(自身を除く): 301448064

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 290971, 581942, 1163884, 2327768, 4655536, 19495057, 38990114, 77980228, 155960456, 311920912]

約数ペア:

[(1, 311920912), (2, 155960456), (4, 77980228), (8, 38990114), (16, 19495057), (67, 4655536), (134, 2327768), (268, 1163884), (536, 581942), (1072, 290971)]