256401392

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{94823}}^1$

素因数の和:94857

約数の個数: 30

約数和(自身を含む): 537936552

約数和(自身を除く): 281535160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 94823, 189646, 379292, 758584, 1232699, 1517168, 2465398, 4930796, 9861592, 16025087, 19723184, 32050174, 64100348, 128200696, 256401392]

約数ペア:

[(1, 256401392), (2, 128200696), (4, 64100348), (8, 32050174), (13, 19723184), (16, 16025087), (26, 9861592), (52, 4930796), (104, 2465398), (169, 1517168), (208, 1232699), (338, 758584), (676, 379292), (1352, 189646), (2704, 94823)]