815511190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1\times {\mathrm{1367}}^1$

素因数の和:1753

約数の個数: 48

約数和(自身を含む): 1595191968

約数和(自身を除く): 779680778

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 353, 706, 845, 1367, 1690, 1765, 2734, 3530, 4589, 6835, 9178, 13670, 17771, 22945, 35542, 45890, 59657, 88855, 119314, 177710, 231023, 298285, 462046, 482551, 596570, 965102, 1155115, 2310230, 2412755, 4825510, 6273163, 12546326, 31365815, 62731630, 81551119, 163102238, 407755595, 815511190]

約数ペア:

[(1, 815511190), (2, 407755595), (5, 163102238), (10, 81551119), (13, 62731630), (26, 31365815), (65, 12546326), (130, 6273163), (169, 4825510), (338, 2412755), (353, 2310230), (706, 1155115), (845, 965102), (1367, 596570), (1690, 482551), (1765, 462046), (2734, 298285), (3530, 231023), (4589, 177710), (6835, 119314), (9178, 88855), (13670, 59657), (17771, 45890), (22945, 35542)]