1311763915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 2043740160

約数和(自身を除く): 731976245

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 131, 155, 217, 341, 385, 655, 839, 917, 1085, 1441, 1705, 2387, 4061, 4195, 4585, 5873, 7205, 9229, 10087, 11935, 20305, 26009, 28427, 29365, 44671, 46145, 50435, 64603, 109909, 130045, 142135, 182063, 223355, 286099, 312697, 323015, 549545, 769363, 910315, 1208999, 1430495, 1563485, 2002693, 3407179, 3846815, 6044995, 8462993, 10013465, 17035895, 23850253, 37478969, 42314965, 119251265, 187394845, 262352783, 1311763915]

約数ペア:

[(1, 1311763915), (5, 262352783), (7, 187394845), (11, 119251265), (31, 42314965), (35, 37478969), (55, 23850253), (77, 17035895), (131, 10013465), (155, 8462993), (217, 6044995), (341, 3846815), (385, 3407179), (655, 2002693), (839, 1563485), (917, 1430495), (1085, 1208999), (1441, 910315), (1705, 769363), (2387, 549545), (4061, 323015), (4195, 312697), (4585, 286099), (5873, 223355), (7205, 182063), (9229, 142135), (10087, 130045), (11935, 109909), (20305, 64603), (26009, 50435), (28427, 46145), (29365, 44671)]