1289778906

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{151703}}^1$

素因数の和:151830

約数の個数: 32

約数和(自身を含む): 2803489920

約数和(自身を除く): 1513711014

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2834, 4251, 8502, 151703, 303406, 455109, 910218, 1972139, 3944278, 5916417, 11832834, 16535627, 33071254, 49606881, 99213762, 214963151, 429926302, 644889453, 1289778906]

約数ペア:

[(1, 1289778906), (2, 644889453), (3, 429926302), (6, 214963151), (13, 99213762), (26, 49606881), (39, 33071254), (78, 16535627), (109, 11832834), (218, 5916417), (327, 3944278), (654, 1972139), (1417, 910218), (2834, 455109), (4251, 303406), (8502, 151703)]