278380816

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{60623}}^1$

素因数の和:60679

約数の個数: 40

約数和(自身を含む): 631459584

約数和(自身を除く): 353078768

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4592, 60623, 121246, 242492, 424361, 484984, 848722, 969968, 1697444, 2485543, 3394888, 4971086, 6789776, 9942172, 17398801, 19884344, 34797602, 39768688, 69595204, 139190408, 278380816]

約数ペア:

[(1, 278380816), (2, 139190408), (4, 69595204), (7, 39768688), (8, 34797602), (14, 19884344), (16, 17398801), (28, 9942172), (41, 6789776), (56, 4971086), (82, 3394888), (112, 2485543), (164, 1697444), (287, 969968), (328, 848722), (574, 484984), (656, 424361), (1148, 242492), (2296, 121246), (4592, 60623)]