1318385965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 1876089600

約数和(自身を除く): 557703635

約数列:

[1, 5, 13, 19, 29, 65, 95, 131, 145, 247, 281, 377, 551, 655, 1235, 1405, 1703, 1885, 2489, 2755, 3653, 3799, 5339, 7163, 8149, 8515, 12445, 18265, 18995, 26695, 32357, 35815, 36811, 40745, 49387, 69407, 72181, 105937, 154831, 161785, 184055, 246935, 347035, 360905, 478543, 529685, 699409, 774155, 938353, 1067519, 2012803, 2392715, 3497045, 4691765, 5337595, 9092317, 10064015, 13877747, 20282861, 45461585, 69388735, 101414305, 263677193, 1318385965]

約数ペア:

[(1, 1318385965), (5, 263677193), (13, 101414305), (19, 69388735), (29, 45461585), (65, 20282861), (95, 13877747), (131, 10064015), (145, 9092317), (247, 5337595), (281, 4691765), (377, 3497045), (551, 2392715), (655, 2012803), (1235, 1067519), (1405, 938353), (1703, 774155), (1885, 699409), (2489, 529685), (2755, 478543), (3653, 360905), (3799, 347035), (5339, 246935), (7163, 184055), (8149, 161785), (8515, 154831), (12445, 105937), (18265, 72181), (18995, 69407), (26695, 49387), (32357, 40745), (35815, 36811)]