668876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 1328880

約数和(自身を除く): 660004

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 677, 988, 1354, 2708, 8801, 12863, 17602, 25726, 35204, 51452, 167219, 334438, 668876]

約数ペア:

[(1, 668876), (2, 334438), (4, 167219), (13, 51452), (19, 35204), (26, 25726), (38, 17602), (52, 12863), (76, 8801), (247, 2708), (494, 1354), (677, 988)]