15691520845

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{13009}}^1$

素因数の和:13286

約数の個数: 64

約数和(自身を含む): 25388858880

約数和(自身を除く): 9697338035

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 241, 385, 455, 715, 1001, 1205, 1687, 2651, 3133, 5005, 8435, 13009, 13255, 15665, 18557, 21931, 34463, 65045, 91063, 92785, 109655, 143099, 169117, 172315, 241241, 455315, 715495, 845585, 1001693, 1183819, 1206205, 1860287, 3135169, 5008465, 5919095, 9301435, 13022009, 15675845, 21946183, 34486859, 40757197, 65110045, 109730915, 172434295, 203785985, 241408013, 285300379, 448329167, 1207040065, 1426501895, 2241645835, 3138304169, 15691520845]

約数ペア:

[(1, 15691520845), (5, 3138304169), (7, 2241645835), (11, 1426501895), (13, 1207040065), (35, 448329167), (55, 285300379), (65, 241408013), (77, 203785985), (91, 172434295), (143, 109730915), (241, 65110045), (385, 40757197), (455, 34486859), (715, 21946183), (1001, 15675845), (1205, 13022009), (1687, 9301435), (2651, 5919095), (3133, 5008465), (5005, 3135169), (8435, 1860287), (13009, 1206205), (13255, 1183819), (15665, 1001693), (18557, 845585), (21931, 715495), (34463, 455315), (65045, 241241), (91063, 172315), (92785, 169117), (109655, 143099)]