256359572

素因数分解:

$2^2\times 7^4\times {\mathrm{26693}}^1$

素因数の和:26725

約数の個数: 30

約数和(自身を含む): 523389258

約数和(自身を除く): 267029686

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 26693, 53386, 106772, 186851, 373702, 747404, 1307957, 2615914, 5231828, 9155699, 18311398, 36622796, 64089893, 128179786, 256359572]

約数ペア:

[(1, 256359572), (2, 128179786), (4, 64089893), (7, 36622796), (14, 18311398), (28, 9155699), (49, 5231828), (98, 2615914), (196, 1307957), (343, 747404), (686, 373702), (1372, 186851), (2401, 106772), (4802, 53386), (9604, 26693)]