86987495

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 130014720

約数和(自身を除く): 43027225

約数列:

[1, 5, 7, 23, 35, 43, 49, 115, 161, 215, 245, 301, 359, 805, 989, 1127, 1505, 1795, 2107, 2513, 4945, 5635, 6923, 8257, 10535, 12565, 15437, 17591, 34615, 41285, 48461, 57799, 77185, 87955, 108059, 242305, 288995, 355051, 404593, 540295, 756413, 1775255, 2022965, 2485357, 3782065, 12426785, 17397499, 86987495]

約数ペア:

[(1, 86987495), (5, 17397499), (7, 12426785), (23, 3782065), (35, 2485357), (43, 2022965), (49, 1775255), (115, 756413), (161, 540295), (215, 404593), (245, 355051), (301, 288995), (359, 242305), (805, 108059), (989, 87955), (1127, 77185), (1505, 57799), (1795, 48461), (2107, 41285), (2513, 34615), (4945, 17591), (5635, 15437), (6923, 12565), (8257, 10535)]