128226839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 147858480

約数和(自身を除く): 19631641

約数列:

[1, 13, 19, 89, 247, 307, 361, 1157, 1691, 3991, 4693, 5833, 21983, 27323, 32129, 75829, 110827, 355199, 417677, 519137, 1440751, 6748781, 9863603, 128226839]

約数ペア:

[(1, 128226839), (13, 9863603), (19, 6748781), (89, 1440751), (247, 519137), (307, 417677), (361, 355199), (1157, 110827), (1691, 75829), (3991, 32129), (4693, 27323), (5833, 21983)]