87745190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21773}}^1$

素因数の和:21824

約数の個数: 32

約数和(自身を含む): 175585536

約数和(自身を除く): 87840346

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21773, 43546, 108865, 217730, 283049, 566098, 674963, 1349926, 1415245, 2830490, 3374815, 6749630, 8774519, 17549038, 43872595, 87745190]

約数ペア:

[(1, 87745190), (2, 43872595), (5, 17549038), (10, 8774519), (13, 6749630), (26, 3374815), (31, 2830490), (62, 1415245), (65, 1349926), (130, 674963), (155, 566098), (310, 283049), (403, 217730), (806, 108865), (2015, 43546), (4030, 21773)]