57157490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1155

約数の個数: 48

約数和(自身を含む): 115105536

約数和(自身を除く): 57948046

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 169, 310, 338, 403, 806, 845, 1091, 1690, 2015, 2182, 4030, 5239, 5455, 10478, 10910, 14183, 26195, 28366, 33821, 52390, 67642, 70915, 141830, 169105, 184379, 338210, 368758, 439673, 879346, 921895, 1843790, 2198365, 4396730, 5715749, 11431498, 28578745, 57157490]

約数ペア:

[(1, 57157490), (2, 28578745), (5, 11431498), (10, 5715749), (13, 4396730), (26, 2198365), (31, 1843790), (62, 921895), (65, 879346), (130, 439673), (155, 368758), (169, 338210), (310, 184379), (338, 169105), (403, 141830), (806, 70915), (845, 67642), (1091, 52390), (1690, 33821), (2015, 28366), (2182, 26195), (4030, 14183), (5239, 10910), (5455, 10478)]