820291734

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^2\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:642

約数の個数: 72

約数和(自身を含む): 1870635312

約数和(自身を除く): 1050343578

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 277, 311, 414, 529, 554, 622, 831, 933, 1058, 1587, 1662, 1866, 2493, 2799, 3174, 4761, 4986, 5598, 6371, 7153, 9522, 12742, 14306, 19113, 21459, 38226, 42918, 57339, 64377, 86147, 114678, 128754, 146533, 164519, 172294, 258441, 293066, 329038, 439599, 493557, 516882, 775323, 879198, 987114, 1318797, 1480671, 1550646, 1981381, 2637594, 2961342, 3962762, 5944143, 11888286, 17832429, 35664858, 45571763, 91143526, 136715289, 273430578, 410145867, 820291734]

約数ペア:

[(1, 820291734), (2, 410145867), (3, 273430578), (6, 136715289), (9, 91143526), (18, 45571763), (23, 35664858), (46, 17832429), (69, 11888286), (138, 5944143), (207, 3962762), (277, 2961342), (311, 2637594), (414, 1981381), (529, 1550646), (554, 1480671), (622, 1318797), (831, 987114), (933, 879198), (1058, 775323), (1587, 516882), (1662, 493557), (1866, 439599), (2493, 329038), (2799, 293066), (3174, 258441), (4761, 172294), (4986, 164519), (5598, 146533), (6371, 128754), (7153, 114678), (9522, 86147), (12742, 64377), (14306, 57339), (19113, 42918), (21459, 38226)]