853956866

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{2213}}^1$

素因数の和:2906

約数の個数: 32

約数和(自身を含む): 1500985728

約数和(自身を除く): 647028862

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 641, 1282, 2213, 4426, 4487, 8974, 15491, 27563, 30982, 55126, 95159, 190318, 192941, 385882, 666113, 1332226, 1418533, 2837066, 9929731, 19859462, 60996919, 121993838, 426978433, 853956866]

約数ペア:

[(1, 853956866), (2, 426978433), (7, 121993838), (14, 60996919), (43, 19859462), (86, 9929731), (301, 2837066), (602, 1418533), (641, 1332226), (1282, 666113), (2213, 385882), (4426, 192941), (4487, 190318), (8974, 95159), (15491, 55126), (27563, 30982)]