245963879

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 295094016

約数和(自身を除く): 49130137

約数列:

[1, 7, 41, 49, 191, 287, 641, 1337, 2009, 4487, 7831, 9359, 26281, 31409, 54817, 122431, 183967, 383719, 857017, 1287769, 5019671, 5999119, 35137697, 245963879]

約数ペア:

[(1, 245963879), (7, 35137697), (41, 5999119), (49, 5019671), (191, 1287769), (287, 857017), (641, 383719), (1337, 183967), (2009, 122431), (4487, 54817), (7831, 31409), (9359, 26281)]