78490370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4363}}^1$

素因数の和:4634

約数の個数: 32

約数和(自身を含む): 162131328

約数和(自身を除く): 83640958

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2570, 3598, 4363, 8726, 8995, 17990, 21815, 30541, 43630, 61082, 152705, 305410, 1121291, 2242582, 5606455, 7849037, 11212910, 15698074, 39245185, 78490370]

約数ペア:

[(1, 78490370), (2, 39245185), (5, 15698074), (7, 11212910), (10, 7849037), (14, 5606455), (35, 2242582), (70, 1121291), (257, 305410), (514, 152705), (1285, 61082), (1799, 43630), (2570, 30541), (3598, 21815), (4363, 17990), (8726, 8995)]