279647566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 464571360

約数和(自身を除く): 184923794

約数列:

[1, 2, 11, 22, 109, 218, 277, 421, 554, 842, 1199, 2398, 3047, 4631, 6094, 9262, 30193, 45889, 60386, 91778, 116617, 233234, 332123, 504779, 664246, 1009558, 1282787, 2565574, 12711253, 25422506, 139823783, 279647566]

約数ペア:

[(1, 279647566), (2, 139823783), (11, 25422506), (22, 12711253), (109, 2565574), (218, 1282787), (277, 1009558), (421, 664246), (554, 504779), (842, 332123), (1199, 233234), (2398, 116617), (3047, 91778), (4631, 60386), (6094, 45889), (9262, 30193)]