90439972

素因数分解:

$2^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{5039}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 181198080

約数和(自身を除く): 90758108

約数列:

[1, 2, 4, 7, 14, 28, 641, 1282, 2564, 4487, 5039, 8974, 10078, 17948, 20156, 35273, 70546, 141092, 3229999, 6459998, 12919996, 22609993, 45219986, 90439972]

約数ペア:

[(1, 90439972), (2, 45219986), (4, 22609993), (7, 12919996), (14, 6459998), (28, 3229999), (641, 141092), (1282, 70546), (2564, 35273), (4487, 20156), (5039, 17948), (8974, 10078)]