208689964

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 428424192

約数和(自身を除く): 219734228

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 347, 457, 658, 694, 914, 1316, 1388, 1828, 2429, 3199, 4858, 6398, 9716, 12796, 16309, 21479, 32618, 42958, 65236, 85916, 114163, 150353, 158579, 228326, 300706, 317158, 456652, 601412, 634316, 1110053, 2220106, 4440212, 7453213, 14906426, 29812852, 52172491, 104344982, 208689964]

約数ペア:

[(1, 208689964), (2, 104344982), (4, 52172491), (7, 29812852), (14, 14906426), (28, 7453213), (47, 4440212), (94, 2220106), (188, 1110053), (329, 634316), (347, 601412), (457, 456652), (658, 317158), (694, 300706), (914, 228326), (1316, 158579), (1388, 150353), (1828, 114163), (2429, 85916), (3199, 65236), (4858, 42958), (6398, 32618), (9716, 21479), (12796, 16309)]