31081996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:606

約数の個数: 36

約数和(自身を含む): 60328800

約数和(自身を除く): 29246804

約数列:

[1, 2, 4, 11, 22, 44, 121, 149, 242, 298, 431, 484, 596, 862, 1639, 1724, 3278, 4741, 6556, 9482, 18029, 18964, 36058, 52151, 64219, 72116, 104302, 128438, 208604, 256876, 706409, 1412818, 2825636, 7770499, 15540998, 31081996]

約数ペア:

[(1, 31081996), (2, 15540998), (4, 7770499), (11, 2825636), (22, 1412818), (44, 706409), (121, 256876), (149, 208604), (242, 128438), (298, 104302), (431, 72116), (484, 64219), (596, 52151), (862, 36058), (1639, 18964), (1724, 18029), (3278, 9482), (4741, 6556)]