8138375

素因数分解:

$5^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 11860992

約数和(自身を除く): 3722617

約数列:

[1, 5, 7, 25, 35, 71, 125, 131, 175, 355, 497, 655, 875, 917, 1775, 2485, 3275, 4585, 8875, 9301, 12425, 16375, 22925, 46505, 62125, 65107, 114625, 232525, 325535, 1162625, 1627675, 8138375]

約数ペア:

[(1, 8138375), (5, 1627675), (7, 1162625), (25, 325535), (35, 232525), (71, 114625), (125, 65107), (131, 62125), (175, 46505), (355, 22925), (497, 16375), (655, 12425), (875, 9301), (917, 8875), (1775, 4585), (2485, 3275)]