128468556

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{27241}}^1$

素因数の和:27382

約数の個数: 36

約数和(自身を含む): 327230904

約数和(自身を除く): 198762348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 393, 524, 786, 1179, 1572, 2358, 4716, 27241, 54482, 81723, 108964, 163446, 245169, 326892, 490338, 980676, 3568571, 7137142, 10705713, 14274284, 21411426, 32117139, 42822852, 64234278, 128468556]

約数ペア:

[(1, 128468556), (2, 64234278), (3, 42822852), (4, 32117139), (6, 21411426), (9, 14274284), (12, 10705713), (18, 7137142), (36, 3568571), (131, 980676), (262, 490338), (393, 326892), (524, 245169), (786, 163446), (1179, 108964), (1572, 81723), (2358, 54482), (4716, 27241)]