28999750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8953

約数の個数: 32

約数和(自身を含む): 58470048

約数和(自身を除く): 29470298

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 8923, 17846, 44615, 89230, 115999, 223075, 231998, 446150, 579995, 1115375, 1159990, 2230750, 2899975, 5799950, 14499875, 28999750]

約数ペア:

[(1, 28999750), (2, 14499875), (5, 5799950), (10, 2899975), (13, 2230750), (25, 1159990), (26, 1115375), (50, 579995), (65, 446150), (125, 231998), (130, 223075), (250, 115999), (325, 89230), (650, 44615), (1625, 17846), (3250, 8923)]