1291264130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{3761}}^1$

素因数の和:3939

約数の個数: 64

約数和(自身を含む): 2654467200

約数和(自身を除く): 1363203070

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 139, 190, 247, 278, 494, 695, 1235, 1390, 1807, 2470, 2641, 3614, 3761, 5282, 7522, 9035, 13205, 18070, 18805, 26410, 34333, 37610, 48893, 68666, 71459, 97786, 142918, 171665, 244465, 343330, 357295, 488930, 522779, 714590, 928967, 1045558, 1857934, 2613895, 4644835, 5227790, 6796127, 9289670, 9932801, 13592254, 19865602, 33980635, 49664005, 67961270, 99328010, 129126413, 258252826, 645632065, 1291264130]

約数ペア:

[(1, 1291264130), (2, 645632065), (5, 258252826), (10, 129126413), (13, 99328010), (19, 67961270), (26, 49664005), (38, 33980635), (65, 19865602), (95, 13592254), (130, 9932801), (139, 9289670), (190, 6796127), (247, 5227790), (278, 4644835), (494, 2613895), (695, 1857934), (1235, 1045558), (1390, 928967), (1807, 714590), (2470, 522779), (2641, 488930), (3614, 357295), (3761, 343330), (5282, 244465), (7522, 171665), (9035, 142918), (13205, 97786), (18070, 71459), (18805, 68666), (26410, 48893), (34333, 37610)]