1555289728

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:765

約数の個数: 64

約数和(自身を含む): 3142136520

約数和(自身を除く): 1586846792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 193, 314, 386, 401, 628, 772, 802, 1256, 1544, 1604, 2512, 3088, 3208, 5024, 6176, 6416, 10048, 12352, 12832, 20096, 24704, 25664, 30301, 51328, 60602, 62957, 77393, 121204, 125914, 154786, 242408, 251828, 309572, 484816, 503656, 619144, 969632, 1007312, 1238288, 1939264, 2014624, 2476576, 3878528, 4029248, 4953152, 8058496, 9906304, 12150701, 24301402, 48602804, 97205608, 194411216, 388822432, 777644864, 1555289728]

約数ペア:

[(1, 1555289728), (2, 777644864), (4, 388822432), (8, 194411216), (16, 97205608), (32, 48602804), (64, 24301402), (128, 12150701), (157, 9906304), (193, 8058496), (314, 4953152), (386, 4029248), (401, 3878528), (628, 2476576), (772, 2014624), (802, 1939264), (1256, 1238288), (1544, 1007312), (1604, 969632), (2512, 619144), (3088, 503656), (3208, 484816), (5024, 309572), (6176, 251828), (6416, 242408), (10048, 154786), (12352, 125914), (12832, 121204), (20096, 77393), (24704, 62957), (25664, 60602), (30301, 51328)]