209898404

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 390700800

約数和(自身を除く): 180802396

約数列:

[1, 2, 4, 29, 58, 67, 113, 116, 134, 226, 239, 268, 452, 478, 956, 1943, 3277, 3886, 6554, 6931, 7571, 7772, 13108, 13862, 15142, 16013, 27007, 27724, 30284, 32026, 54014, 64052, 108028, 219559, 439118, 464377, 783203, 878236, 928754, 1566406, 1809469, 1857508, 3132812, 3618938, 7237876, 52474601, 104949202, 209898404]

約数ペア:

[(1, 209898404), (2, 104949202), (4, 52474601), (29, 7237876), (58, 3618938), (67, 3132812), (113, 1857508), (116, 1809469), (134, 1566406), (226, 928754), (239, 878236), (268, 783203), (452, 464377), (478, 439118), (956, 219559), (1943, 108028), (3277, 64052), (3886, 54014), (6554, 32026), (6931, 30284), (7571, 27724), (7772, 27007), (13108, 16013), (13862, 15142)]