405428406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{25999}}^1$

素因数の和:26140

約数の個数: 32

約数和(自身を含む): 853632000

約数和(自身を除く): 448203594

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 2599, 5198, 7797, 15594, 25999, 51998, 77997, 155994, 597977, 1195954, 1793931, 2937887, 3587862, 5875774, 8813661, 17627322, 67571401, 135142802, 202714203, 405428406]

約数ペア:

[(1, 405428406), (2, 202714203), (3, 135142802), (6, 67571401), (23, 17627322), (46, 8813661), (69, 5875774), (113, 3587862), (138, 2937887), (226, 1793931), (339, 1195954), (678, 597977), (2599, 155994), (5198, 77997), (7797, 51998), (15594, 25999)]