81271572

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1\times {\mathrm{571}}^1$

素因数の和:1016

約数の個数: 48

約数和(自身を含む): 196996800

約数和(自身を除く): 115725228

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 409, 571, 818, 1142, 1227, 1636, 1713, 2284, 2454, 3426, 4908, 6852, 11861, 16559, 23722, 33118, 35583, 47444, 49677, 66236, 71166, 99354, 142332, 198708, 233539, 467078, 700617, 934156, 1401234, 2802468, 6772631, 13545262, 20317893, 27090524, 40635786, 81271572]

約数ペア:

[(1, 81271572), (2, 40635786), (3, 27090524), (4, 20317893), (6, 13545262), (12, 6772631), (29, 2802468), (58, 1401234), (87, 934156), (116, 700617), (174, 467078), (348, 233539), (409, 198708), (571, 142332), (818, 99354), (1142, 71166), (1227, 66236), (1636, 49677), (1713, 47444), (2284, 35583), (2454, 33118), (3426, 23722), (4908, 16559), (6852, 11861)]