397880704

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 859627440

約数和(自身を除く): 461746736

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 157, 208, 314, 416, 628, 832, 1256, 1523, 1664, 2041, 2512, 3046, 4082, 5024, 6092, 8164, 10048, 12184, 16328, 19799, 20096, 24368, 32656, 39598, 48736, 65312, 79196, 97472, 130624, 158392, 194944, 239111, 261248, 316784, 478222, 633568, 956444, 1267136, 1912888, 2534272, 3108443, 3825776, 6216886, 7651552, 12433772, 15303104, 24867544, 30606208, 49735088, 99470176, 198940352, 397880704]

約数ペア:

[(1, 397880704), (2, 198940352), (4, 99470176), (8, 49735088), (13, 30606208), (16, 24867544), (26, 15303104), (32, 12433772), (52, 7651552), (64, 6216886), (104, 3825776), (128, 3108443), (157, 2534272), (208, 1912888), (314, 1267136), (416, 956444), (628, 633568), (832, 478222), (1256, 316784), (1523, 261248), (1664, 239111), (2041, 194944), (2512, 158392), (3046, 130624), (4082, 97472), (5024, 79196), (6092, 65312), (8164, 48736), (10048, 39598), (12184, 32656), (16328, 24368), (19799, 20096)]