66665564

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 138022080

約数和(自身を除く): 71356516

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 229, 259, 281, 458, 518, 562, 916, 1036, 1124, 1603, 1967, 3206, 3934, 6412, 7868, 8473, 10397, 16946, 20794, 33892, 41588, 59311, 64349, 72779, 118622, 128698, 145558, 237244, 257396, 291116, 450443, 900886, 1801772, 2380913, 4761826, 9523652, 16666391, 33332782, 66665564]

約数ペア:

[(1, 66665564), (2, 33332782), (4, 16666391), (7, 9523652), (14, 4761826), (28, 2380913), (37, 1801772), (74, 900886), (148, 450443), (229, 291116), (259, 257396), (281, 237244), (458, 145558), (518, 128698), (562, 118622), (916, 72779), (1036, 64349), (1124, 59311), (1603, 41588), (1967, 33892), (3206, 20794), (3934, 16946), (6412, 10397), (7868, 8473)]