256585264

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3061}}^1$

素因数の和:3126

約数の個数: 60

約数和(自身を含む): 555863232

約数和(自身を除く): 299277968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 208, 248, 338, 403, 496, 676, 806, 1352, 1612, 2704, 3061, 3224, 5239, 6122, 6448, 10478, 12244, 20956, 24488, 39793, 41912, 48976, 79586, 83824, 94891, 159172, 189782, 318344, 379564, 517309, 636688, 759128, 1034618, 1233583, 1518256, 2069236, 2467166, 4138472, 4934332, 8276944, 9868664, 16036579, 19737328, 32073158, 64146316, 128292632, 256585264]

約数ペア:

[(1, 256585264), (2, 128292632), (4, 64146316), (8, 32073158), (13, 19737328), (16, 16036579), (26, 9868664), (31, 8276944), (52, 4934332), (62, 4138472), (104, 2467166), (124, 2069236), (169, 1518256), (208, 1233583), (248, 1034618), (338, 759128), (403, 636688), (496, 517309), (676, 379564), (806, 318344), (1352, 189782), (1612, 159172), (2704, 94891), (3061, 83824), (3224, 79586), (5239, 48976), (6122, 41912), (6448, 39793), (10478, 24488), (12244, 20956)]