87121812

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 206724672

約数和(自身を除く): 119602860

約数列:

[1, 2, 3, 4, 6, 12, 131, 157, 262, 314, 353, 393, 471, 524, 628, 706, 786, 942, 1059, 1412, 1572, 1884, 2118, 4236, 20567, 41134, 46243, 55421, 61701, 82268, 92486, 110842, 123402, 138729, 166263, 184972, 221684, 246804, 277458, 332526, 554916, 665052, 7260151, 14520302, 21780453, 29040604, 43560906, 87121812]

約数ペア:

[(1, 87121812), (2, 43560906), (3, 29040604), (4, 21780453), (6, 14520302), (12, 7260151), (131, 665052), (157, 554916), (262, 332526), (314, 277458), (353, 246804), (393, 221684), (471, 184972), (524, 166263), (628, 138729), (706, 123402), (786, 110842), (942, 92486), (1059, 82268), (1412, 61701), (1572, 55421), (1884, 46243), (2118, 41134), (4236, 20567)]