208381572

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:823

約数の個数: 120

約数和(自身を含む): 627999680

約数和(自身を除く): 419618108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 139, 162, 189, 252, 278, 324, 378, 417, 556, 567, 661, 756, 834, 973, 1134, 1251, 1322, 1668, 1946, 1983, 2268, 2502, 2644, 2919, 3753, 3892, 3966, 4627, 5004, 5838, 5949, 7506, 7932, 8757, 9254, 11259, 11676, 11898, 13881, 15012, 17514, 17847, 18508, 22518, 23796, 26271, 27762, 35028, 35694, 41643, 45036, 52542, 53541, 55524, 71388, 78813, 83286, 91879, 105084, 107082, 124929, 157626, 166572, 183758, 214164, 249858, 275637, 315252, 367516, 374787, 499716, 551274, 643153, 749574, 826911, 1102548, 1286306, 1499148, 1653822, 1929459, 2480733, 2572612, 3307644, 3858918, 4961466, 5788377, 7442199, 7717836, 9922932, 11576754, 14884398, 17365131, 23153508, 29768796, 34730262, 52095393, 69460524, 104190786, 208381572]

約数ペア:

[(1, 208381572), (2, 104190786), (3, 69460524), (4, 52095393), (6, 34730262), (7, 29768796), (9, 23153508), (12, 17365131), (14, 14884398), (18, 11576754), (21, 9922932), (27, 7717836), (28, 7442199), (36, 5788377), (42, 4961466), (54, 3858918), (63, 3307644), (81, 2572612), (84, 2480733), (108, 1929459), (126, 1653822), (139, 1499148), (162, 1286306), (189, 1102548), (252, 826911), (278, 749574), (324, 643153), (378, 551274), (417, 499716), (556, 374787), (567, 367516), (661, 315252), (756, 275637), (834, 249858), (973, 214164), (1134, 183758), (1251, 166572), (1322, 157626), (1668, 124929), (1946, 107082), (1983, 105084), (2268, 91879), (2502, 83286), (2644, 78813), (2919, 71388), (3753, 55524), (3892, 53541), (3966, 52542), (4627, 45036), (5004, 41643), (5838, 35694), (5949, 35028), (7506, 27762), (7932, 26271), (8757, 23796), (9254, 22518), (11259, 18508), (11676, 17847), (11898, 17514), (13881, 15012)]