399296

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:396

約数の個数: 28

約数和(自身を含む): 841248

約数和(自身を除く): 441952

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 367, 544, 734, 1088, 1468, 2936, 5872, 6239, 11744, 12478, 23488, 24956, 49912, 99824, 199648, 399296]

約数ペア:

[(1, 399296), (2, 199648), (4, 99824), (8, 49912), (16, 24956), (17, 23488), (32, 12478), (34, 11744), (64, 6239), (68, 5872), (136, 2936), (272, 1468), (367, 1088), (544, 734)]