78751984

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 158012208

約数和(自身を除く): 79260224

約数列:

[1, 2, 4, 8, 16, 37, 74, 137, 148, 274, 296, 548, 592, 971, 1096, 1942, 2192, 3884, 5069, 7768, 10138, 15536, 20276, 35927, 40552, 71854, 81104, 133027, 143708, 266054, 287416, 532108, 574832, 1064216, 2128432, 4921999, 9843998, 19687996, 39375992, 78751984]

約数ペア:

[(1, 78751984), (2, 39375992), (4, 19687996), (8, 9843998), (16, 4921999), (37, 2128432), (74, 1064216), (137, 574832), (148, 532108), (274, 287416), (296, 266054), (548, 143708), (592, 133027), (971, 81104), (1096, 71854), (1942, 40552), (2192, 35927), (3884, 20276), (5069, 15536), (7768, 10138)]