638490846474

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{209891797}}^1$

素因数の和:209891831

約数の個数: 36

約数和(自身を含む): 1497997762326

約数和(自身を除く): 859506915852

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 234, 338, 507, 1014, 1521, 3042, 209891797, 419783594, 629675391, 1259350782, 1889026173, 2728593361, 3778052346, 5457186722, 8185780083, 16371560166, 24557340249, 35471713693, 49114680498, 70943427386, 106415141079, 212830282158, 319245423237, 638490846474]

約数ペア:

[(1, 638490846474), (2, 319245423237), (3, 212830282158), (6, 106415141079), (9, 70943427386), (13, 49114680498), (18, 35471713693), (26, 24557340249), (39, 16371560166), (78, 8185780083), (117, 5457186722), (169, 3778052346), (234, 2728593361), (338, 1889026173), (507, 1259350782), (1014, 629675391), (1521, 419783594), (3042, 209891797)]