31815238

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5639}}^1$

素因数の和:5692

約数の個数: 32

約数和(自身を含む): 60641280

約数和(自身を除く): 28826042

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5639, 5642, 11278, 39473, 73307, 78946, 146614, 174809, 349618, 513149, 1026298, 1223663, 2272517, 2447326, 4545034, 15907619, 31815238]

約数ペア:

[(1, 31815238), (2, 15907619), (7, 4545034), (13, 2447326), (14, 2272517), (26, 1223663), (31, 1026298), (62, 513149), (91, 349618), (182, 174809), (217, 146614), (403, 78946), (434, 73307), (806, 39473), (2821, 11278), (5639, 5642)]