71617130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1431

約数の個数: 48

約数和(自身を含む): 144198144

約数和(自身を除く): 72581014

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1367, 1690, 2015, 2734, 4030, 5239, 6835, 10478, 13670, 17771, 26195, 35542, 42377, 52390, 84754, 88855, 177710, 211885, 231023, 423770, 462046, 550901, 1101802, 1155115, 2310230, 2754505, 5509010, 7161713, 14323426, 35808565, 71617130]

約数ペア:

[(1, 71617130), (2, 35808565), (5, 14323426), (10, 7161713), (13, 5509010), (26, 2754505), (31, 2310230), (62, 1155115), (65, 1101802), (130, 550901), (155, 462046), (169, 423770), (310, 231023), (338, 211885), (403, 177710), (806, 88855), (845, 84754), (1367, 52390), (1690, 42377), (2015, 35542), (2734, 26195), (4030, 17771), (5239, 13670), (6835, 10478)]