87706465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 138682368

約数和(自身を除く): 50975903

約数列:

[1, 5, 7, 11, 35, 37, 47, 55, 77, 131, 185, 235, 259, 329, 385, 407, 517, 655, 917, 1295, 1441, 1645, 1739, 2035, 2585, 2849, 3619, 4585, 4847, 6157, 7205, 8695, 10087, 12173, 14245, 18095, 19129, 24235, 30785, 33929, 43099, 50435, 53317, 60865, 67727, 95645, 133903, 169645, 215495, 227809, 266585, 338635, 373219, 474089, 669515, 1139045, 1594663, 1866095, 2370445, 2505899, 7973315, 12529495, 17541293, 87706465]

約数ペア:

[(1, 87706465), (5, 17541293), (7, 12529495), (11, 7973315), (35, 2505899), (37, 2370445), (47, 1866095), (55, 1594663), (77, 1139045), (131, 669515), (185, 474089), (235, 373219), (259, 338635), (329, 266585), (385, 227809), (407, 215495), (517, 169645), (655, 133903), (917, 95645), (1295, 67727), (1441, 60865), (1645, 53317), (1739, 50435), (2035, 43099), (2585, 33929), (2849, 30785), (3619, 24235), (4585, 19129), (4847, 18095), (6157, 14245), (7205, 12173), (8695, 10087)]