71077825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 109715200

約数和(自身を除く): 38637375

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 157, 175, 199, 325, 455, 785, 995, 1099, 1393, 2041, 2275, 2587, 3925, 4975, 5495, 6965, 10205, 12935, 14287, 18109, 27475, 31243, 34825, 51025, 64675, 71435, 90545, 156215, 218701, 357175, 406159, 452725, 781075, 1093505, 2030795, 2843113, 5467525, 10153975, 14215565, 71077825]

約数ペア:

[(1, 71077825), (5, 14215565), (7, 10153975), (13, 5467525), (25, 2843113), (35, 2030795), (65, 1093505), (91, 781075), (157, 452725), (175, 406159), (199, 357175), (325, 218701), (455, 156215), (785, 90545), (995, 71435), (1099, 64675), (1393, 51025), (2041, 34825), (2275, 31243), (2587, 27475), (3925, 18109), (4975, 14287), (5495, 12935), (6965, 10205)]