278312104

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{74177}}^1$

素因数の和:74257

約数の個数: 32

約数和(自身を含む): 605292480

約数和(自身を除く): 326980376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 74177, 148354, 296708, 519239, 593416, 1038478, 2076956, 4153912, 4969859, 9939718, 19879436, 34789013, 39758872, 69578026, 139156052, 278312104]

約数ペア:

[(1, 278312104), (2, 139156052), (4, 69578026), (7, 39758872), (8, 34789013), (14, 19879436), (28, 9939718), (56, 4969859), (67, 4153912), (134, 2076956), (268, 1038478), (469, 593416), (536, 519239), (938, 296708), (1876, 148354), (3752, 74177)]