81792228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1913}}^1$

素因数の和:2436

約数の個数: 48

約数和(自身を含む): 218655360

約数和(自身を除く): 136863132

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 509, 1018, 1527, 1913, 2036, 3054, 3563, 3826, 5739, 6108, 7126, 7652, 10689, 11478, 13391, 14252, 21378, 22956, 26782, 40173, 42756, 53564, 80346, 160692, 973717, 1947434, 2921151, 3894868, 5842302, 6816019, 11684604, 13632038, 20448057, 27264076, 40896114, 81792228]

約数ペア:

[(1, 81792228), (2, 40896114), (3, 27264076), (4, 20448057), (6, 13632038), (7, 11684604), (12, 6816019), (14, 5842302), (21, 3894868), (28, 2921151), (42, 1947434), (84, 973717), (509, 160692), (1018, 80346), (1527, 53564), (1913, 42756), (2036, 40173), (3054, 26782), (3563, 22956), (3826, 21378), (5739, 14252), (6108, 13391), (7126, 11478), (7652, 10689)]