51561653

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 64495872

約数和(自身を除く): 12934219

約数列:

[1, 11, 13, 23, 61, 143, 253, 257, 299, 671, 793, 1403, 2827, 3289, 3341, 5911, 8723, 15433, 15677, 18239, 36751, 65021, 76843, 172447, 200629, 203801, 360571, 845273, 2241811, 3966281, 4687423, 51561653]

約数ペア:

[(1, 51561653), (11, 4687423), (13, 3966281), (23, 2241811), (61, 845273), (143, 360571), (253, 203801), (257, 200629), (299, 172447), (671, 76843), (793, 65021), (1403, 36751), (2827, 18239), (3289, 15677), (3341, 15433), (5911, 8723)]