640963682

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{227131}}^1$

素因数の和:227233

約数の個数: 16

約数和(自身を含む): 1030270752

約数和(自身を除く): 389307070

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 227131, 454262, 3861227, 7722454, 18851873, 37703746, 320481841, 640963682]

約数ペア:

[(1, 640963682), (2, 320481841), (17, 37703746), (34, 18851873), (83, 7722454), (166, 3861227), (1411, 454262), (2822, 227131)]