1291316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1307}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 2563680

約数和(自身を除く): 1272364

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 1307, 2614, 5228, 16991, 24833, 33982, 49666, 67964, 99332, 322829, 645658, 1291316]

約数ペア:

[(1, 1291316), (2, 645658), (4, 322829), (13, 99332), (19, 67964), (26, 49666), (38, 33982), (52, 24833), (76, 16991), (247, 5228), (494, 2614), (988, 1307)]