51387328

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:749

約数の個数: 56

約数和(自身を含む): 109618272

約数和(自身を除く): 58230944

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 73, 136, 146, 272, 292, 544, 584, 647, 1088, 1168, 1241, 1294, 2336, 2482, 2588, 4672, 4964, 5176, 9928, 10352, 10999, 19856, 20704, 21998, 39712, 41408, 43996, 47231, 79424, 87992, 94462, 175984, 188924, 351968, 377848, 703936, 755696, 802927, 1511392, 1605854, 3022784, 3211708, 6423416, 12846832, 25693664, 51387328]

約数ペア:

[(1, 51387328), (2, 25693664), (4, 12846832), (8, 6423416), (16, 3211708), (17, 3022784), (32, 1605854), (34, 1511392), (64, 802927), (68, 755696), (73, 703936), (136, 377848), (146, 351968), (272, 188924), (292, 175984), (544, 94462), (584, 87992), (647, 79424), (1088, 47231), (1168, 43996), (1241, 41408), (1294, 39712), (2336, 21998), (2482, 20704), (2588, 19856), (4672, 10999), (4964, 10352), (5176, 9928)]