639334564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{863}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 1241049600

約数和(自身を除く): 601715036

約数列:

[1, 2, 4, 11, 22, 44, 113, 149, 226, 298, 452, 596, 863, 1243, 1639, 1726, 2486, 3278, 3452, 4972, 6556, 9493, 16837, 18986, 33674, 37972, 67348, 97519, 128587, 185207, 195038, 257174, 370414, 390076, 514348, 740828, 1072709, 1414457, 2145418, 2828914, 4290836, 5657828, 14530331, 29060662, 58121324, 159833641, 319667282, 639334564]

約数ペア:

[(1, 639334564), (2, 319667282), (4, 159833641), (11, 58121324), (22, 29060662), (44, 14530331), (113, 5657828), (149, 4290836), (226, 2828914), (298, 2145418), (452, 1414457), (596, 1072709), (863, 740828), (1243, 514348), (1639, 390076), (1726, 370414), (2486, 257174), (3278, 195038), (3452, 185207), (4972, 128587), (6556, 97519), (9493, 67348), (16837, 37972), (18986, 33674)]