638870382

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{1153}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 1471211520

約数和(自身を除く): 832341138

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 331, 558, 662, 837, 993, 1153, 1674, 1986, 2306, 2979, 3459, 5958, 6918, 8937, 10261, 10377, 17874, 20522, 20754, 30783, 31131, 35743, 61566, 62262, 71486, 92349, 107229, 184698, 214458, 277047, 321687, 381643, 554094, 643374, 763286, 965061, 1144929, 1930122, 2289858, 3434787, 6869574, 10304361, 11830933, 20608722, 23661866, 35492799, 70985598, 106478397, 212956794, 319435191, 638870382]

約数ペア:

[(1, 638870382), (2, 319435191), (3, 212956794), (6, 106478397), (9, 70985598), (18, 35492799), (27, 23661866), (31, 20608722), (54, 11830933), (62, 10304361), (93, 6869574), (186, 3434787), (279, 2289858), (331, 1930122), (558, 1144929), (662, 965061), (837, 763286), (993, 643374), (1153, 554094), (1674, 381643), (1986, 321687), (2306, 277047), (2979, 214458), (3459, 184698), (5958, 107229), (6918, 92349), (8937, 71486), (10261, 62262), (10377, 61566), (17874, 35743), (20522, 31131), (20754, 30783)]