200721818

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 352061640

約数和(自身を除く): 151339822

約数列:

[1, 2, 11, 22, 29, 37, 58, 74, 121, 242, 319, 407, 638, 773, 814, 1073, 1546, 2146, 3509, 4477, 7018, 8503, 8954, 11803, 17006, 22417, 23606, 28601, 44834, 57202, 93533, 129833, 187066, 246587, 259666, 314611, 493174, 629222, 829429, 1658858, 2712457, 3460721, 5424914, 6921442, 9123719, 18247438, 100360909, 200721818]

約数ペア:

[(1, 200721818), (2, 100360909), (11, 18247438), (22, 9123719), (29, 6921442), (37, 5424914), (58, 3460721), (74, 2712457), (121, 1658858), (242, 829429), (319, 629222), (407, 493174), (638, 314611), (773, 259666), (814, 246587), (1073, 187066), (1546, 129833), (2146, 93533), (3509, 57202), (4477, 44834), (7018, 28601), (8503, 23606), (8954, 22417), (11803, 17006)]