31690308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6553}}^1$

素因数の和:6604

約数の個数: 48

約数和(自身を含む): 82213376

約数和(自身を除く): 50523068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 4836, 6553, 13106, 19659, 26212, 39318, 78636, 85189, 170378, 203143, 255567, 340756, 406286, 511134, 609429, 812572, 1022268, 1218858, 2437716, 2640859, 5281718, 7922577, 10563436, 15845154, 31690308]

約数ペア:

[(1, 31690308), (2, 15845154), (3, 10563436), (4, 7922577), (6, 5281718), (12, 2640859), (13, 2437716), (26, 1218858), (31, 1022268), (39, 812572), (52, 609429), (62, 511134), (78, 406286), (93, 340756), (124, 255567), (156, 203143), (186, 170378), (372, 85189), (403, 78636), (806, 39318), (1209, 26212), (1612, 19659), (2418, 13106), (4836, 6553)]