31784272

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{152809}}^1$

素因数の和:152830

約数の個数: 20

約数和(自身を含む): 66319540

約数和(自身を除く): 34535268

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 152809, 305618, 611236, 1222472, 1986517, 2444944, 3973034, 7946068, 15892136, 31784272]

約数ペア:

[(1, 31784272), (2, 15892136), (4, 7946068), (8, 3973034), (13, 2444944), (16, 1986517), (26, 1222472), (52, 611236), (104, 305618), (208, 152809)]