215245212

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{449}}^1$

素因数の和:915

約数の個数: 96

約数和(自身を含む): 620928000

約数和(自身を除く): 405682788

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 439, 449, 546, 878, 898, 1092, 1317, 1347, 1756, 1796, 2634, 2694, 3073, 3143, 5268, 5388, 5707, 5837, 6146, 6286, 9219, 9429, 11414, 11674, 12292, 12572, 17121, 17511, 18438, 18858, 22828, 23348, 34242, 35022, 36876, 37716, 39949, 40859, 68484, 70044, 79898, 81718, 119847, 122577, 159796, 163436, 197111, 239694, 245154, 394222, 479388, 490308, 591333, 788444, 1182666, 1379777, 2365332, 2562443, 2759554, 4139331, 5124886, 5519108, 7687329, 8278662, 10249772, 15374658, 16557324, 17937101, 30749316, 35874202, 53811303, 71748404, 107622606, 215245212]

約数ペア:

[(1, 215245212), (2, 107622606), (3, 71748404), (4, 53811303), (6, 35874202), (7, 30749316), (12, 17937101), (13, 16557324), (14, 15374658), (21, 10249772), (26, 8278662), (28, 7687329), (39, 5519108), (42, 5124886), (52, 4139331), (78, 2759554), (84, 2562443), (91, 2365332), (156, 1379777), (182, 1182666), (273, 788444), (364, 591333), (439, 490308), (449, 479388), (546, 394222), (878, 245154), (898, 239694), (1092, 197111), (1317, 163436), (1347, 159796), (1756, 122577), (1796, 119847), (2634, 81718), (2694, 79898), (3073, 70044), (3143, 68484), (5268, 40859), (5388, 39949), (5707, 37716), (5837, 36876), (6146, 35022), (6286, 34242), (9219, 23348), (9429, 22828), (11414, 18858), (11674, 18438), (12292, 17511), (12572, 17121)]