81057808

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{967}}^1$

素因数の和:1032

約数の個数: 60

約数和(自身を含む): 175726848

約数和(自身を除く): 94669040

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 967, 1352, 1612, 1934, 2704, 3224, 3868, 5239, 6448, 7736, 10478, 12571, 15472, 20956, 25142, 29977, 41912, 50284, 59954, 83824, 100568, 119908, 163423, 201136, 239816, 326846, 389701, 479632, 653692, 779402, 1307384, 1558804, 2614768, 3117608, 5066113, 6235216, 10132226, 20264452, 40528904, 81057808]

約数ペア:

[(1, 81057808), (2, 40528904), (4, 20264452), (8, 10132226), (13, 6235216), (16, 5066113), (26, 3117608), (31, 2614768), (52, 1558804), (62, 1307384), (104, 779402), (124, 653692), (169, 479632), (208, 389701), (248, 326846), (338, 239816), (403, 201136), (496, 163423), (676, 119908), (806, 100568), (967, 83824), (1352, 59954), (1612, 50284), (1934, 41912), (2704, 29977), (3224, 25142), (3868, 20956), (5239, 15472), (6448, 12571), (7736, 10478)]