72780796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{3929}}^1$

素因数の和:4365

約数の個数: 24

約数和(自身を含む): 139310640

約数和(自身を除く): 66529844

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 3929, 4631, 7858, 9262, 15716, 18524, 43219, 86438, 172876, 1654109, 3308218, 6616436, 18195199, 36390398, 72780796]

約数ペア:

[(1, 72780796), (2, 36390398), (4, 18195199), (11, 6616436), (22, 3308218), (44, 1654109), (421, 172876), (842, 86438), (1684, 43219), (3929, 18524), (4631, 15716), (7858, 9262)]