7890858465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{761}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 15811365888

約数和(自身を除く): 7920507423

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 37, 51, 85, 105, 111, 119, 157, 185, 255, 259, 357, 471, 555, 595, 629, 761, 777, 785, 1099, 1295, 1785, 1887, 2283, 2355, 2669, 3145, 3297, 3805, 3885, 4403, 5327, 5495, 5809, 8007, 9435, 11415, 12937, 13209, 13345, 15981, 16485, 17427, 18683, 22015, 26635, 28157, 29045, 38811, 40035, 40663, 56049, 64685, 66045, 79905, 84471, 87135, 90559, 93415, 98753, 119477, 121989, 140785, 194055, 197099, 203315, 271677, 280245, 296259, 358431, 422355, 452795, 478669, 493765, 591297, 597385, 609945, 691271, 836339, 985495, 1358385, 1436007, 1481295, 1792155, 2031109, 2073813, 2393345, 2509017, 2956485, 3350683, 3456355, 4181695, 4420649, 6093327, 7180035, 10052049, 10155545, 10369065, 12545085, 13261947, 14217763, 16753415, 22103245, 30466635, 30944543, 42653289, 50260245, 66309735, 71088815, 75151033, 92833629, 154722715, 213266445, 225453099, 375755165, 464168145, 526057231, 1127265495, 1578171693, 2630286155, 7890858465]

約数ペア:

[(1, 7890858465), (3, 2630286155), (5, 1578171693), (7, 1127265495), (15, 526057231), (17, 464168145), (21, 375755165), (35, 225453099), (37, 213266445), (51, 154722715), (85, 92833629), (105, 75151033), (111, 71088815), (119, 66309735), (157, 50260245), (185, 42653289), (255, 30944543), (259, 30466635), (357, 22103245), (471, 16753415), (555, 14217763), (595, 13261947), (629, 12545085), (761, 10369065), (777, 10155545), (785, 10052049), (1099, 7180035), (1295, 6093327), (1785, 4420649), (1887, 4181695), (2283, 3456355), (2355, 3350683), (2669, 2956485), (3145, 2509017), (3297, 2393345), (3805, 2073813), (3885, 2031109), (4403, 1792155), (5327, 1481295), (5495, 1436007), (5809, 1358385), (8007, 985495), (9435, 836339), (11415, 691271), (12937, 609945), (13209, 597385), (13345, 591297), (15981, 493765), (16485, 478669), (17427, 452795), (18683, 422355), (22015, 358431), (26635, 296259), (28157, 280245), (29045, 271677), (38811, 203315), (40035, 197099), (40663, 194055), (56049, 140785), (64685, 121989), (66045, 119477), (79905, 98753), (84471, 93415), (87135, 90559)]