31220478

素因数分解:

$2^1\times 3^4\times {\mathrm{191}}^1\times {\mathrm{1009}}^1$

素因数の和:1214

約数の個数: 40

約数和(自身を含む): 70392960

約数和(自身を除く): 39172482

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 191, 382, 573, 1009, 1146, 1719, 2018, 3027, 3438, 5157, 6054, 9081, 10314, 15471, 18162, 27243, 30942, 54486, 81729, 163458, 192719, 385438, 578157, 1156314, 1734471, 3468942, 5203413, 10406826, 15610239, 31220478]

約数ペア:

[(1, 31220478), (2, 15610239), (3, 10406826), (6, 5203413), (9, 3468942), (18, 1734471), (27, 1156314), (54, 578157), (81, 385438), (162, 192719), (191, 163458), (382, 81729), (573, 54486), (1009, 30942), (1146, 27243), (1719, 18162), (2018, 15471), (3027, 10314), (3438, 9081), (5157, 6054)]