275986490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{68483}}^1$

素因数の和:68534

約数の個数: 32

約数和(自身を含む): 552254976

約数和(自身を除く): 276268486

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 68483, 136966, 342415, 684830, 890279, 1780558, 2122973, 4245946, 4451395, 8902790, 10614865, 21229730, 27598649, 55197298, 137993245, 275986490]

約数ペア:

[(1, 275986490), (2, 137993245), (5, 55197298), (10, 27598649), (13, 21229730), (26, 10614865), (31, 8902790), (62, 4451395), (65, 4245946), (130, 2122973), (155, 1780558), (310, 890279), (403, 684830), (806, 342415), (2015, 136966), (4030, 68483)]