28130375

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2473}}^1$

素因数の和:2508

約数の個数: 32

約数和(自身を含む): 43225728

約数和(自身を除く): 15095353

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 875, 1625, 2275, 2473, 11375, 12365, 17311, 32149, 61825, 86555, 160745, 225043, 309125, 432775, 803725, 1125215, 2163875, 4018625, 5626075, 28130375]

約数ペア:

[(1, 28130375), (5, 5626075), (7, 4018625), (13, 2163875), (25, 1125215), (35, 803725), (65, 432775), (91, 309125), (125, 225043), (175, 160745), (325, 86555), (455, 61825), (875, 32149), (1625, 17311), (2275, 12365), (2473, 11375)]