31831004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 63141120

約数和(自身を除く): 31310116

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 71, 76, 142, 284, 323, 347, 646, 694, 1207, 1292, 1349, 1388, 2414, 2698, 4828, 5396, 5899, 6593, 11798, 13186, 22933, 23596, 24637, 26372, 45866, 49274, 91732, 98548, 112081, 224162, 418829, 448324, 468103, 837658, 936206, 1675316, 1872412, 7957751, 15915502, 31831004]

約数ペア:

[(1, 31831004), (2, 15915502), (4, 7957751), (17, 1872412), (19, 1675316), (34, 936206), (38, 837658), (68, 468103), (71, 448324), (76, 418829), (142, 224162), (284, 112081), (323, 98548), (347, 91732), (646, 49274), (694, 45866), (1207, 26372), (1292, 24637), (1349, 23596), (1388, 22933), (2414, 13186), (2698, 11798), (4828, 6593), (5396, 5899)]