397497674

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1\times {\mathrm{1213}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 692271360

約数和(自身を除く): 294773686

約数列:

[1, 2, 7, 14, 89, 178, 263, 526, 623, 1213, 1246, 1841, 2426, 3682, 8491, 16982, 23407, 46814, 107957, 163849, 215914, 319019, 327698, 638038, 755699, 1511398, 2233133, 4466266, 28392691, 56785382, 198748837, 397497674]

約数ペア:

[(1, 397497674), (2, 198748837), (7, 56785382), (14, 28392691), (89, 4466266), (178, 2233133), (263, 1511398), (526, 755699), (623, 638038), (1213, 327698), (1246, 319019), (1841, 215914), (2426, 163849), (3682, 107957), (8491, 46814), (16982, 23407)]