243796904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{123379}}^1$

素因数の和:123417

約数の個数: 32

約数和(自身を含む): 518196000

約数和(自身を除く): 274399096

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 123379, 246758, 493516, 987032, 1603927, 2344201, 3207854, 4688402, 6415708, 9376804, 12831416, 18753608, 30474613, 60949226, 121898452, 243796904]

約数ペア:

[(1, 243796904), (2, 121898452), (4, 60949226), (8, 30474613), (13, 18753608), (19, 12831416), (26, 9376804), (38, 6415708), (52, 4688402), (76, 3207854), (104, 2344201), (152, 1603927), (247, 987032), (494, 493516), (988, 246758), (1976, 123379)]