645093788

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1619}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 1214922240

約数和(自身を除く): 569828452

約数列:

[1, 2, 4, 23, 46, 61, 71, 92, 122, 142, 244, 284, 1403, 1619, 1633, 2806, 3238, 3266, 4331, 5612, 6476, 6532, 8662, 17324, 37237, 74474, 98759, 99613, 114949, 148948, 197518, 199226, 229898, 395036, 398452, 459796, 2271457, 2643827, 4542914, 5287654, 7011889, 9085828, 10575308, 14023778, 28047556, 161273447, 322546894, 645093788]

約数ペア:

[(1, 645093788), (2, 322546894), (4, 161273447), (23, 28047556), (46, 14023778), (61, 10575308), (71, 9085828), (92, 7011889), (122, 5287654), (142, 4542914), (244, 2643827), (284, 2271457), (1403, 459796), (1619, 398452), (1633, 395036), (2806, 229898), (3238, 199226), (3266, 197518), (4331, 148948), (5612, 114949), (6476, 99613), (6532, 98759), (8662, 74474), (17324, 37237)]