31981976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1699}}^1$

素因数の和:1899

約数の個数: 32

約数和(自身を含む): 64974000

約数和(自身を除く): 32992024

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 1699, 2353, 3398, 4706, 6796, 9412, 13592, 18824, 22087, 44174, 88348, 176696, 307519, 615038, 1230076, 2460152, 3997747, 7995494, 15990988, 31981976]

約数ペア:

[(1, 31981976), (2, 15990988), (4, 7995494), (8, 3997747), (13, 2460152), (26, 1230076), (52, 615038), (104, 307519), (181, 176696), (362, 88348), (724, 44174), (1448, 22087), (1699, 18824), (2353, 13592), (3398, 9412), (4706, 6796)]