78684398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2657}}^1$

素因数の和:2756

約数の個数: 32

約数和(自身を含む): 136642464

約数和(自身を除く): 57958066

約数列:

[1, 2, 13, 17, 26, 34, 67, 134, 221, 442, 871, 1139, 1742, 2278, 2657, 5314, 14807, 29614, 34541, 45169, 69082, 90338, 178019, 356038, 587197, 1174394, 2314247, 3026323, 4628494, 6052646, 39342199, 78684398]

約数ペア:

[(1, 78684398), (2, 39342199), (13, 6052646), (17, 4628494), (26, 3026323), (34, 2314247), (67, 1174394), (134, 587197), (221, 356038), (442, 178019), (871, 90338), (1139, 69082), (1742, 45169), (2278, 34541), (2657, 29614), (5314, 14807)]