81945358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:217

約数の個数: 48

約数和(自身を含む): 143485056

約数和(自身を除く): 61539698

約数列:

[1, 2, 11, 22, 29, 43, 58, 86, 103, 206, 319, 473, 638, 841, 946, 1133, 1247, 1682, 2266, 2494, 2987, 4429, 5974, 8858, 9251, 13717, 18502, 27434, 32857, 36163, 48719, 65714, 72326, 86623, 97438, 128441, 173246, 256882, 397793, 795586, 952853, 1412851, 1905706, 2825702, 3724789, 7449578, 40972679, 81945358]

約数ペア:

[(1, 81945358), (2, 40972679), (11, 7449578), (22, 3724789), (29, 2825702), (43, 1905706), (58, 1412851), (86, 952853), (103, 795586), (206, 397793), (319, 256882), (473, 173246), (638, 128441), (841, 97438), (946, 86623), (1133, 72326), (1247, 65714), (1682, 48719), (2266, 36163), (2494, 32857), (2987, 27434), (4429, 18502), (5974, 13717), (8858, 9251)]