31358418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{727}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 78274560

約数和(自身を除く): 46916142

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 79, 91, 158, 182, 237, 273, 474, 546, 553, 727, 1027, 1106, 1454, 1659, 2054, 2181, 3081, 3318, 4362, 5089, 6162, 7189, 9451, 10178, 14378, 15267, 18902, 21567, 28353, 30534, 43134, 56706, 57433, 66157, 114866, 132314, 172299, 198471, 344598, 396942, 402031, 746629, 804062, 1206093, 1493258, 2239887, 2412186, 4479774, 5226403, 10452806, 15679209, 31358418]

約数ペア:

[(1, 31358418), (2, 15679209), (3, 10452806), (6, 5226403), (7, 4479774), (13, 2412186), (14, 2239887), (21, 1493258), (26, 1206093), (39, 804062), (42, 746629), (78, 402031), (79, 396942), (91, 344598), (158, 198471), (182, 172299), (237, 132314), (273, 114866), (474, 66157), (546, 57433), (553, 56706), (727, 43134), (1027, 30534), (1106, 28353), (1454, 21567), (1659, 18902), (2054, 15267), (2181, 14378), (3081, 10178), (3318, 9451), (4362, 7189), (5089, 6162)]