28890875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 40569984

約数和(自身を除く): 11679109

約数列:

[1, 5, 13, 23, 25, 65, 115, 125, 299, 325, 575, 773, 1495, 1625, 2875, 3865, 7475, 10049, 17779, 19325, 37375, 50245, 88895, 96625, 231127, 251225, 444475, 1155635, 1256125, 2222375, 5778175, 28890875]

約数ペア:

[(1, 28890875), (5, 5778175), (13, 2222375), (23, 1256125), (25, 1155635), (65, 444475), (115, 251225), (125, 231127), (299, 96625), (325, 88895), (575, 50245), (773, 37375), (1495, 19325), (1625, 17779), (2875, 10049), (3865, 7475)]