161950572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20731}}^1$

素因数の和:20779

約数の個数: 72

約数和(自身を含む): 482972672

約数和(自身を除く): 321022100

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 20731, 41462, 62193, 82924, 124386, 145117, 186579, 248772, 290234, 373158, 435351, 580468, 642661, 746316, 870702, 1285322, 1306053, 1741404, 1927983, 2570644, 2612106, 3855966, 4498627, 5224212, 5783949, 7711932, 8997254, 11567898, 13495881, 17994508, 23135796, 26991762, 40487643, 53983524, 80975286, 161950572]

約数ペア:

[(1, 161950572), (2, 80975286), (3, 53983524), (4, 40487643), (6, 26991762), (7, 23135796), (9, 17994508), (12, 13495881), (14, 11567898), (18, 8997254), (21, 7711932), (28, 5783949), (31, 5224212), (36, 4498627), (42, 3855966), (62, 2612106), (63, 2570644), (84, 1927983), (93, 1741404), (124, 1306053), (126, 1285322), (186, 870702), (217, 746316), (252, 642661), (279, 580468), (372, 435351), (434, 373158), (558, 290234), (651, 248772), (868, 186579), (1116, 145117), (1302, 124386), (1953, 82924), (2604, 62193), (3906, 41462), (7812, 20731)]