66618890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2683}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 129862656

約数和(自身を除く): 63243766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 955, 1910, 2483, 2683, 4966, 5366, 12415, 13415, 24830, 26830, 34879, 69758, 174395, 348790, 512453, 1024906, 2562265, 5124530, 6661889, 13323778, 33309445, 66618890]

約数ペア:

[(1, 66618890), (2, 33309445), (5, 13323778), (10, 6661889), (13, 5124530), (26, 2562265), (65, 1024906), (130, 512453), (191, 348790), (382, 174395), (955, 69758), (1910, 34879), (2483, 26830), (2683, 24830), (4966, 13415), (5366, 12415)]