28144375

素因数分解:

$5^4\times 7^2\times {\mathrm{919}}^1$

素因数の和:953

約数の個数: 30

約数和(自身を含む): 40955640

約数和(自身を除く): 12811265

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 919, 1225, 4375, 4595, 6125, 6433, 22975, 30625, 32165, 45031, 114875, 160825, 225155, 574375, 804125, 1125775, 4020625, 5628875, 28144375]

約数ペア:

[(1, 28144375), (5, 5628875), (7, 4020625), (25, 1125775), (35, 804125), (49, 574375), (125, 225155), (175, 160825), (245, 114875), (625, 45031), (875, 32165), (919, 30625), (1225, 22975), (4375, 6433), (4595, 6125)]