31275608

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42961}}^1$

素因数の和:42987

約数の個数: 32

約数和(自身を含む): 72176160

約数和(自身を除く): 40900552

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 42961, 85922, 171844, 300727, 343688, 558493, 601454, 1116986, 1202908, 2233972, 2405816, 3909451, 4467944, 7818902, 15637804, 31275608]

約数ペア:

[(1, 31275608), (2, 15637804), (4, 7818902), (7, 4467944), (8, 3909451), (13, 2405816), (14, 2233972), (26, 1202908), (28, 1116986), (52, 601454), (56, 558493), (91, 343688), (104, 300727), (182, 171844), (364, 85922), (728, 42961)]