279583402

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 485072640

約数和(自身を除く): 205489238

約数列:

[1, 2, 7, 14, 157, 311, 314, 409, 622, 818, 1099, 2177, 2198, 2863, 4354, 5726, 48827, 64213, 97654, 127199, 128426, 254398, 341789, 449491, 683578, 890393, 898982, 1780786, 19970243, 39940486, 139791701, 279583402]

約数ペア:

[(1, 279583402), (2, 139791701), (7, 39940486), (14, 19970243), (157, 1780786), (311, 898982), (314, 890393), (409, 683578), (622, 449491), (818, 341789), (1099, 254398), (2177, 128426), (2198, 127199), (2863, 97654), (4354, 64213), (5726, 48827)]