646776169

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 836559360

約数和(自身を除く): 189783191

約数列:

[1, 13, 17, 19, 23, 37, 181, 221, 247, 299, 323, 391, 437, 481, 629, 703, 851, 2353, 3077, 3439, 4163, 4199, 5083, 5681, 6697, 7429, 8177, 9139, 11063, 11951, 14467, 16169, 40001, 44707, 54119, 58463, 70771, 79097, 87061, 96577, 113849, 127243, 154031, 155363, 188071, 210197, 274873, 760019, 920023, 1028261, 1344649, 1480037, 1654159, 2002403, 2163131, 2618527, 2926589, 3573349, 17480437, 28120703, 34040851, 38045657, 49752013, 646776169]

約数ペア:

[(1, 646776169), (13, 49752013), (17, 38045657), (19, 34040851), (23, 28120703), (37, 17480437), (181, 3573349), (221, 2926589), (247, 2618527), (299, 2163131), (323, 2002403), (391, 1654159), (437, 1480037), (481, 1344649), (629, 1028261), (703, 920023), (851, 760019), (2353, 274873), (3077, 210197), (3439, 188071), (4163, 155363), (4199, 154031), (5083, 127243), (5681, 113849), (6697, 96577), (7429, 87061), (8177, 79097), (9139, 70771), (11063, 58463), (11951, 54119), (14467, 44707), (16169, 40001)]