221809812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{9137}}^1$

素因数の和:9185

約数の個数: 72

約数和(自身を含む): 628401984

約数和(自身を除く): 406592172

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 289, 357, 476, 578, 714, 867, 1156, 1428, 1734, 2023, 3468, 4046, 6069, 8092, 9137, 12138, 18274, 24276, 27411, 36548, 54822, 63959, 109644, 127918, 155329, 191877, 255836, 310658, 383754, 465987, 621316, 767508, 931974, 1087303, 1863948, 2174606, 2640593, 3261909, 4349212, 5281186, 6523818, 7921779, 10562372, 13047636, 15843558, 18484151, 31687116, 36968302, 55452453, 73936604, 110904906, 221809812]

約数ペア:

[(1, 221809812), (2, 110904906), (3, 73936604), (4, 55452453), (6, 36968302), (7, 31687116), (12, 18484151), (14, 15843558), (17, 13047636), (21, 10562372), (28, 7921779), (34, 6523818), (42, 5281186), (51, 4349212), (68, 3261909), (84, 2640593), (102, 2174606), (119, 1863948), (204, 1087303), (238, 931974), (289, 767508), (357, 621316), (476, 465987), (578, 383754), (714, 310658), (867, 255836), (1156, 191877), (1428, 155329), (1734, 127918), (2023, 109644), (3468, 63959), (4046, 54822), (6069, 36548), (8092, 27411), (9137, 24276), (12138, 18274)]