2218554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 5460000

約数和(自身を除く): 3241446

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 499, 741, 998, 1482, 1497, 2223, 2994, 4446, 4491, 6487, 8982, 9481, 12974, 18962, 19461, 28443, 38922, 56886, 58383, 85329, 116766, 123253, 170658, 246506, 369759, 739518, 1109277, 2218554]

約数ペア:

[(1, 2218554), (2, 1109277), (3, 739518), (6, 369759), (9, 246506), (13, 170658), (18, 123253), (19, 116766), (26, 85329), (38, 58383), (39, 56886), (57, 38922), (78, 28443), (114, 19461), (117, 18962), (171, 12974), (234, 9481), (247, 8982), (342, 6487), (494, 4491), (499, 4446), (741, 2994), (998, 2223), (1482, 1497)]