80872972

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{3019}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 146204240

約数和(自身を除く): 65331268

約数列:

[1, 2, 4, 37, 74, 148, 181, 362, 724, 3019, 6038, 6697, 12076, 13394, 26788, 111703, 223406, 446812, 546439, 1092878, 2185756, 20218243, 40436486, 80872972]

約数ペア:

[(1, 80872972), (2, 40436486), (4, 20218243), (37, 2185756), (74, 1092878), (148, 546439), (181, 446812), (362, 223406), (724, 111703), (3019, 26788), (6038, 13394), (6697, 12076)]