128578554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{549481}}^1$

素因数の和:549502

約数の個数: 24

約数和(自身を含む): 300017172

約数和(自身を除く): 171438618

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 549481, 1098962, 1648443, 3296886, 4945329, 7143253, 9890658, 14286506, 21429759, 42859518, 64289277, 128578554]

約数ペア:

[(1, 128578554), (2, 64289277), (3, 42859518), (6, 21429759), (9, 14286506), (13, 9890658), (18, 7143253), (26, 4945329), (39, 3296886), (78, 1648443), (117, 1098962), (234, 549481)]