128566568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{18451}}^1$

素因数の和:18537

約数の個数: 32

約数和(自身を含む): 263494560

約数和(自身を除く): 134927992

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 18451, 36902, 73804, 147608, 239863, 479726, 959452, 1236217, 1918904, 2472434, 4944868, 9889736, 16070821, 32141642, 64283284, 128566568]

約数ペア:

[(1, 128566568), (2, 64283284), (4, 32141642), (8, 16070821), (13, 9889736), (26, 4944868), (52, 2472434), (67, 1918904), (104, 1236217), (134, 959452), (268, 479726), (536, 239863), (871, 147608), (1742, 73804), (3484, 36902), (6968, 18451)]