64887564

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{523}}^1$

素因数の和:755

約数の個数: 72

約数和(自身を含む): 177296448

約数和(自身を除く): 112408884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 211, 294, 422, 523, 588, 633, 844, 1046, 1266, 1477, 1569, 2092, 2532, 2954, 3138, 3661, 4431, 5908, 6276, 7322, 8862, 10339, 10983, 14644, 17724, 20678, 21966, 25627, 31017, 41356, 43932, 51254, 62034, 76881, 102508, 110353, 124068, 153762, 220706, 307524, 331059, 441412, 662118, 772471, 1324236, 1544942, 2317413, 3089884, 4634826, 5407297, 9269652, 10814594, 16221891, 21629188, 32443782, 64887564]

約数ペア:

[(1, 64887564), (2, 32443782), (3, 21629188), (4, 16221891), (6, 10814594), (7, 9269652), (12, 5407297), (14, 4634826), (21, 3089884), (28, 2317413), (42, 1544942), (49, 1324236), (84, 772471), (98, 662118), (147, 441412), (196, 331059), (211, 307524), (294, 220706), (422, 153762), (523, 124068), (588, 110353), (633, 102508), (844, 76881), (1046, 62034), (1266, 51254), (1477, 43932), (1569, 41356), (2092, 31017), (2532, 25627), (2954, 21966), (3138, 20678), (3661, 17724), (4431, 14644), (5908, 10983), (6276, 10339), (7322, 8862)]