28791490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1147

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 37252670

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 910, 1015, 1091, 1885, 2030, 2182, 2639, 3770, 5278, 5455, 7637, 10910, 13195, 14183, 15274, 26390, 28366, 31639, 38185, 63278, 70915, 76370, 99281, 141830, 158195, 198562, 221473, 316390, 411307, 442946, 496405, 822614, 992810, 1107365, 2056535, 2214730, 2879149, 4113070, 5758298, 14395745, 28791490]

約数ペア:

[(1, 28791490), (2, 14395745), (5, 5758298), (7, 4113070), (10, 2879149), (13, 2214730), (14, 2056535), (26, 1107365), (29, 992810), (35, 822614), (58, 496405), (65, 442946), (70, 411307), (91, 316390), (130, 221473), (145, 198562), (182, 158195), (203, 141830), (290, 99281), (377, 76370), (406, 70915), (455, 63278), (754, 38185), (910, 31639), (1015, 28366), (1091, 26390), (1885, 15274), (2030, 14183), (2182, 13195), (2639, 10910), (3770, 7637), (5278, 5455)]