161551664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{325709}}^1$

素因数の和:325748

約数の個数: 20

約数和(自身を含む): 323104320

約数和(自身を除く): 161552656

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 325709, 651418, 1302836, 2605672, 5211344, 10096979, 20193958, 40387916, 80775832, 161551664]

約数ペア:

[(1, 161551664), (2, 80775832), (4, 40387916), (8, 20193958), (16, 10096979), (31, 5211344), (62, 2605672), (124, 1302836), (248, 651418), (496, 325709)]