403775996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{19559}}^1$

素因数の和:19973

約数の個数: 24

約数和(自身を含む): 762918240

約数和(自身を除く): 359142244

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1588, 5161, 10322, 19559, 20644, 39118, 78236, 254267, 508534, 1017068, 7764923, 15529846, 31059692, 100943999, 201887998, 403775996]

約数ペア:

[(1, 403775996), (2, 201887998), (4, 100943999), (13, 31059692), (26, 15529846), (52, 7764923), (397, 1017068), (794, 508534), (1588, 254267), (5161, 78236), (10322, 39118), (19559, 20644)]