290966

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 24

約数和(自身を含む): 512064

約数和(自身を除く): 221098

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 361, 403, 494, 589, 722, 806, 1178, 4693, 7657, 9386, 11191, 15314, 22382, 145483, 290966]

約数ペア:

[(1, 290966), (2, 145483), (13, 22382), (19, 15314), (26, 11191), (31, 9386), (38, 7657), (62, 4693), (247, 1178), (361, 806), (403, 722), (494, 589)]