2907982

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 5681664

約数和(自身を除く): 2773682

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 821, 1642, 1771, 3542, 5747, 9031, 11494, 18062, 18883, 37766, 63217, 126434, 132181, 207713, 264362, 415426, 1453991, 2907982]

約数ペア:

[(1, 2907982), (2, 1453991), (7, 415426), (11, 264362), (14, 207713), (22, 132181), (23, 126434), (46, 63217), (77, 37766), (154, 18883), (161, 18062), (253, 11494), (322, 9031), (506, 5747), (821, 3542), (1642, 1771)]