320468408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{12893}}^1$

素因数の和:13151

約数の個数: 32

約数和(自身を含む): 649857600

約数和(自身を除く): 329389192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 239, 478, 956, 1912, 3107, 6214, 12428, 12893, 24856, 25786, 51572, 103144, 167609, 335218, 670436, 1340872, 3081427, 6162854, 12325708, 24651416, 40058551, 80117102, 160234204, 320468408]

約数ペア:

[(1, 320468408), (2, 160234204), (4, 80117102), (8, 40058551), (13, 24651416), (26, 12325708), (52, 6162854), (104, 3081427), (239, 1340872), (478, 670436), (956, 335218), (1912, 167609), (3107, 103144), (6214, 51572), (12428, 25786), (12893, 24856)]