221528392

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 419976000

約数和(自身を除く): 198447608

約数列:

[1, 2, 4, 8, 199, 227, 398, 454, 613, 796, 908, 1226, 1592, 1816, 2452, 4904, 45173, 90346, 121987, 139151, 180692, 243974, 278302, 361384, 487948, 556604, 975896, 1113208, 27691049, 55382098, 110764196, 221528392]

約数ペア:

[(1, 221528392), (2, 110764196), (4, 55382098), (8, 27691049), (199, 1113208), (227, 975896), (398, 556604), (454, 487948), (613, 361384), (796, 278302), (908, 243974), (1226, 180692), (1592, 139151), (1816, 121987), (2452, 90346), (4904, 45173)]