257349722

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{929}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 452113920

約数和(自身を除く): 194764198

約数列:

[1, 2, 7, 14, 47, 94, 329, 421, 658, 842, 929, 1858, 2947, 5894, 6503, 13006, 19787, 39574, 43663, 87326, 138509, 277018, 305641, 391109, 611282, 782218, 2737763, 5475526, 18382123, 36764246, 128674861, 257349722]

約数ペア:

[(1, 257349722), (2, 128674861), (7, 36764246), (14, 18382123), (47, 5475526), (94, 2737763), (329, 782218), (421, 611282), (658, 391109), (842, 305641), (929, 277018), (1858, 138509), (2947, 87326), (5894, 43663), (6503, 39574), (13006, 19787)]