1391537675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 2020531392

約数和(自身を除く): 628993717

約数列:

[1, 5, 11, 19, 25, 55, 95, 107, 131, 209, 275, 361, 475, 535, 655, 1045, 1177, 1441, 1805, 2033, 2489, 2675, 3275, 3971, 5225, 5885, 7205, 9025, 10165, 12445, 14017, 19855, 22363, 27379, 29425, 36025, 38627, 47291, 50825, 62225, 70085, 99275, 111815, 136895, 154187, 193135, 236455, 266323, 350425, 424897, 520201, 559075, 684475, 770935, 965675, 1182275, 1331615, 2124485, 2601005, 2929553, 3854675, 5060137, 6658075, 10622425, 13005025, 14647765, 25300685, 55661507, 73238825, 126503425, 278307535, 1391537675]

約数ペア:

[(1, 1391537675), (5, 278307535), (11, 126503425), (19, 73238825), (25, 55661507), (55, 25300685), (95, 14647765), (107, 13005025), (131, 10622425), (209, 6658075), (275, 5060137), (361, 3854675), (475, 2929553), (535, 2601005), (655, 2124485), (1045, 1331615), (1177, 1182275), (1441, 965675), (1805, 770935), (2033, 684475), (2489, 559075), (2675, 520201), (3275, 424897), (3971, 350425), (5225, 266323), (5885, 236455), (7205, 193135), (9025, 154187), (10165, 136895), (12445, 111815), (14017, 99275), (19855, 70085), (22363, 62225), (27379, 50825), (29425, 47291), (36025, 38627)]