12971452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{691}}^1$

素因数の和:746

約数の個数: 36

約数和(自身を含む): 25837896

約数和(自身を除く): 12866444

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 691, 722, 988, 1382, 1444, 2764, 4693, 8983, 9386, 13129, 17966, 18772, 26258, 35932, 52516, 170677, 249451, 341354, 498902, 682708, 997804, 3242863, 6485726, 12971452]

約数ペア:

[(1, 12971452), (2, 6485726), (4, 3242863), (13, 997804), (19, 682708), (26, 498902), (38, 341354), (52, 249451), (76, 170677), (247, 52516), (361, 35932), (494, 26258), (691, 18772), (722, 17966), (988, 13129), (1382, 9386), (1444, 8983), (2764, 4693)]