30911885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{691}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 38862720

約数和(自身を除く): 7950835

約数列:

[1, 5, 23, 115, 389, 691, 1945, 3455, 8947, 15893, 44735, 79465, 268799, 1343995, 6182377, 30911885]

約数ペア:

[(1, 30911885), (5, 6182377), (23, 1343995), (115, 268799), (389, 79465), (691, 44735), (1945, 15893), (3455, 8947)]