12697909

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 16251840

約数和(自身を除く): 3553931

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 593, 931, 1127, 3059, 4151, 11267, 13639, 21413, 29057, 78869, 95473, 259141, 552083, 668311, 1813987, 12697909]

約数ペア:

[(1, 12697909), (7, 1813987), (19, 668311), (23, 552083), (49, 259141), (133, 95473), (161, 78869), (437, 29057), (593, 21413), (931, 13639), (1127, 11267), (3059, 4151)]