222780019

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{593}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 307159776

約数和(自身を除く): 84379757

約数列:

[1, 7, 11, 17, 41, 49, 77, 119, 187, 287, 451, 539, 593, 697, 833, 1309, 2009, 3157, 4151, 4879, 6523, 7667, 9163, 10081, 22099, 24313, 29057, 34153, 45661, 53669, 70567, 110891, 170191, 267443, 319627, 375683, 413321, 493969, 776237, 1191337, 1872101, 2893247, 4546531, 5433659, 13104707, 20252729, 31825717, 222780019]

約数ペア:

[(1, 222780019), (7, 31825717), (11, 20252729), (17, 13104707), (41, 5433659), (49, 4546531), (77, 2893247), (119, 1872101), (187, 1191337), (287, 776237), (451, 493969), (539, 413321), (593, 375683), (697, 319627), (833, 267443), (1309, 170191), (2009, 110891), (3157, 70567), (4151, 53669), (4879, 45661), (6523, 34153), (7667, 29057), (9163, 24313), (10081, 22099)]