199134481

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 275788800

約数和(自身を除く): 76654319

約数列:

[1, 7, 13, 17, 37, 49, 71, 91, 119, 221, 259, 343, 481, 497, 629, 637, 833, 923, 1207, 1547, 1813, 2627, 3367, 3479, 4403, 4459, 5831, 6461, 8177, 8449, 10829, 12691, 15691, 18389, 23569, 24353, 30821, 34151, 44659, 45227, 57239, 59143, 75803, 109837, 128723, 164983, 215747, 239057, 312613, 316589, 400673, 414001, 580567, 768859, 901061, 1673399, 2188291, 2804711, 4063969, 5382013, 11713793, 15318037, 28447783, 199134481]

約数ペア:

[(1, 199134481), (7, 28447783), (13, 15318037), (17, 11713793), (37, 5382013), (49, 4063969), (71, 2804711), (91, 2188291), (119, 1673399), (221, 901061), (259, 768859), (343, 580567), (481, 414001), (497, 400673), (629, 316589), (637, 312613), (833, 239057), (923, 215747), (1207, 164983), (1547, 128723), (1813, 109837), (2627, 75803), (3367, 59143), (3479, 57239), (4403, 45227), (4459, 44659), (5831, 34151), (6461, 30821), (8177, 24353), (8449, 23569), (10829, 18389), (12691, 15691)]