31387994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{2803}}^1$

素因数の和:3325

約数の個数: 16

約数和(自身を含む): 51481440

約数和(自身を除く): 20093446

約数列:

[1, 2, 11, 22, 509, 1018, 2803, 5599, 5606, 11198, 30833, 61666, 1426727, 2853454, 15693997, 31387994]

約数ペア:

[(1, 31387994), (2, 15693997), (11, 2853454), (22, 1426727), (509, 61666), (1018, 30833), (2803, 11198), (5599, 5606)]