279777472

素因数分解:

$2^6\times {\mathrm{13}}^2\times {\mathrm{25867}}^1$

素因数の和:25905

約数の個数: 42

約数和(自身を含む): 601198188

約数和(自身を除く): 321420716

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 169, 208, 338, 416, 676, 832, 1352, 2704, 5408, 10816, 25867, 51734, 103468, 206936, 336271, 413872, 672542, 827744, 1345084, 1655488, 2690168, 4371523, 5380336, 8743046, 10760672, 17486092, 21521344, 34972184, 69944368, 139888736, 279777472]

約数ペア:

[(1, 279777472), (2, 139888736), (4, 69944368), (8, 34972184), (13, 21521344), (16, 17486092), (26, 10760672), (32, 8743046), (52, 5380336), (64, 4371523), (104, 2690168), (169, 1655488), (208, 1345084), (338, 827744), (416, 672542), (676, 413872), (832, 336271), (1352, 206936), (2704, 103468), (5408, 51734), (10816, 25867)]