289898413

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 357477120

約数和(自身を除く): 67578707

約数列:

[1, 7, 29, 41, 61, 203, 287, 427, 571, 1189, 1769, 2501, 3997, 8323, 12383, 16559, 17507, 23411, 34831, 72529, 115913, 163877, 243817, 507703, 678919, 1010099, 1428071, 4752433, 7070693, 9996497, 41414059, 289898413]

約数ペア:

[(1, 289898413), (7, 41414059), (29, 9996497), (41, 7070693), (61, 4752433), (203, 1428071), (287, 1010099), (427, 678919), (571, 507703), (1189, 243817), (1769, 163877), (2501, 115913), (3997, 72529), (8323, 34831), (12383, 23411), (16559, 17507)]