71569225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{193}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 110465152

約数和(自身を除く): 38895927

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 163, 175, 193, 325, 455, 815, 965, 1141, 1351, 2119, 2275, 2509, 4075, 4825, 5705, 6755, 10595, 12545, 14833, 17563, 28525, 31459, 33775, 52975, 62725, 74165, 87815, 157295, 220213, 370825, 408967, 439075, 786475, 1101065, 2044835, 2862769, 5505325, 10224175, 14313845, 71569225]

約数ペア:

[(1, 71569225), (5, 14313845), (7, 10224175), (13, 5505325), (25, 2862769), (35, 2044835), (65, 1101065), (91, 786475), (163, 439075), (175, 408967), (193, 370825), (325, 220213), (455, 157295), (815, 87815), (965, 74165), (1141, 62725), (1351, 52975), (2119, 33775), (2275, 31459), (2509, 28525), (4075, 17563), (4825, 14833), (5705, 12545), (6755, 10595)]