81943444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 163296000

約数和(自身を除く): 81352556

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 149, 298, 319, 431, 596, 638, 862, 1276, 1639, 1724, 3278, 4321, 4741, 6556, 8642, 9482, 12499, 17284, 18964, 24998, 47531, 49996, 64219, 95062, 128438, 137489, 190124, 256876, 274978, 549956, 706409, 1412818, 1862351, 2825636, 3724702, 7449404, 20485861, 40971722, 81943444]

約数ペア:

[(1, 81943444), (2, 40971722), (4, 20485861), (11, 7449404), (22, 3724702), (29, 2825636), (44, 1862351), (58, 1412818), (116, 706409), (149, 549956), (298, 274978), (319, 256876), (431, 190124), (596, 137489), (638, 128438), (862, 95062), (1276, 64219), (1639, 49996), (1724, 47531), (3278, 24998), (4321, 18964), (4741, 17284), (6556, 12499), (8642, 9482)]