1978854658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{821}}^1\times {\mathrm{1231}}^1$

素因数の和:2154

約数の個数: 32

約数和(自身を含む): 3281160960

約数和(自身を除く): 1302306302

約数列:

[1, 2, 11, 22, 89, 178, 821, 979, 1231, 1642, 1958, 2462, 9031, 13541, 18062, 27082, 73069, 109559, 146138, 219118, 803759, 1010651, 1205149, 1607518, 2021302, 2410298, 11117161, 22234322, 89947939, 179895878, 989427329, 1978854658]

約数ペア:

[(1, 1978854658), (2, 989427329), (11, 179895878), (22, 89947939), (89, 22234322), (178, 11117161), (821, 2410298), (979, 2021302), (1231, 1607518), (1642, 1205149), (1958, 1010651), (2462, 803759), (9031, 219118), (13541, 146138), (18062, 109559), (27082, 73069)]