223555423

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:224

約数の個数: 64

約数和(自身を含む): 311980032

約数和(自身を除く): 88424609

約数列:

[1, 7, 13, 17, 23, 61, 91, 103, 119, 161, 221, 299, 391, 427, 721, 793, 1037, 1339, 1403, 1547, 1751, 2093, 2369, 2737, 5083, 5551, 6283, 7259, 9373, 9821, 12257, 13481, 16583, 18239, 22763, 23851, 30797, 35581, 40273, 43981, 81679, 94367, 106811, 127673, 144509, 159341, 166957, 215579, 281911, 310063, 523549, 571753, 747677, 1011563, 1388543, 1878617, 2170441, 2456653, 3664843, 9719801, 13150319, 17196571, 31936489, 223555423]

約数ペア:

[(1, 223555423), (7, 31936489), (13, 17196571), (17, 13150319), (23, 9719801), (61, 3664843), (91, 2456653), (103, 2170441), (119, 1878617), (161, 1388543), (221, 1011563), (299, 747677), (391, 571753), (427, 523549), (721, 310063), (793, 281911), (1037, 215579), (1339, 166957), (1403, 159341), (1547, 144509), (1751, 127673), (2093, 106811), (2369, 94367), (2737, 81679), (5083, 43981), (5551, 40273), (6283, 35581), (7259, 30797), (9373, 23851), (9821, 22763), (12257, 18239), (13481, 16583)]