31220618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 55423872

約数和(自身を除く): 24203254

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 631, 1262, 1903, 2249, 3806, 4498, 6941, 8203, 13882, 16406, 24739, 49478, 90233, 109163, 180466, 218326, 1200793, 1419119, 2401586, 2838238, 15610309, 31220618]

約数ペア:

[(1, 31220618), (2, 15610309), (11, 2838238), (13, 2401586), (22, 1419119), (26, 1200793), (143, 218326), (173, 180466), (286, 109163), (346, 90233), (631, 49478), (1262, 24739), (1903, 16406), (2249, 13882), (3806, 8203), (4498, 6941)]