81687116161

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1\times {\mathrm{2647}}^1$

素因数の和:3505

約数の個数: 32

約数和(自身を含む): 97135418880

約数和(自身を除く): 15448302719

約数列:

[1, 7, 29, 203, 281, 541, 1967, 2647, 3787, 8149, 15689, 18529, 57043, 76763, 109823, 152021, 537341, 743807, 1064147, 1432027, 4408609, 5206649, 10024189, 21570403, 30860263, 41528783, 150992821, 290701481, 402399587, 2816797109, 11669588023, 81687116161]

約数ペア:

[(1, 81687116161), (7, 11669588023), (29, 2816797109), (203, 402399587), (281, 290701481), (541, 150992821), (1967, 41528783), (2647, 30860263), (3787, 21570403), (8149, 10024189), (15689, 5206649), (18529, 4408609), (57043, 1432027), (76763, 1064147), (109823, 743807), (152021, 537341)]