258810376

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{19477}}^1$

素因数の和:19645

約数の個数: 32

約数和(自身を含む): 532918080

約数和(自身を除く): 274107704

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1661, 3322, 6644, 13288, 19477, 38954, 77908, 155816, 214247, 428494, 856988, 1713976, 2941027, 5882054, 11764108, 23528216, 32351297, 64702594, 129405188, 258810376]

約数ペア:

[(1, 258810376), (2, 129405188), (4, 64702594), (8, 32351297), (11, 23528216), (22, 11764108), (44, 5882054), (88, 2941027), (151, 1713976), (302, 856988), (604, 428494), (1208, 214247), (1661, 155816), (3322, 77908), (6644, 38954), (13288, 19477)]