1998130178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{251}}^1\times {\mathrm{1553}}^1$

素因数の和:2050

約数の個数: 32

約数和(自身を含む): 3298905792

約数和(自身を除く): 1300775614

約数列:

[1, 2, 11, 22, 233, 251, 466, 502, 1553, 2563, 2761, 3106, 5126, 5522, 17083, 34166, 58483, 116966, 361849, 389803, 643313, 723698, 779606, 1286626, 3980339, 4287833, 7960678, 8575666, 90824099, 181648198, 999065089, 1998130178]

約数ペア:

[(1, 1998130178), (2, 999065089), (11, 181648198), (22, 90824099), (233, 8575666), (251, 7960678), (466, 4287833), (502, 3980339), (1553, 1286626), (2563, 779606), (2761, 723698), (3106, 643313), (5126, 389803), (5522, 361849), (17083, 116966), (34166, 58483)]