128715470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{76163}}^1$

素因数の和:76196

約数の個数: 24

約数和(自身を含む): 250884216

約数和(自身を除く): 122168746

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 76163, 152326, 380815, 761630, 990119, 1980238, 4950595, 9901190, 12871547, 25743094, 64357735, 128715470]

約数ペア:

[(1, 128715470), (2, 64357735), (5, 25743094), (10, 12871547), (13, 9901190), (26, 4950595), (65, 1980238), (130, 990119), (169, 761630), (338, 380815), (845, 152326), (1690, 76163)]