157958996818

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1\times {\mathrm{80897}}^1$

素因数の和:81778

約数の個数: 32

約数和(自身を含む): 272485173888

約数和(自身を除く): 114526177070

約数列:

[1, 2, 7, 14, 211, 422, 661, 1322, 1477, 2954, 4627, 9254, 80897, 139471, 161794, 278942, 566279, 976297, 1132558, 1952594, 17069267, 34138534, 53472917, 106945834, 119484869, 238969738, 374310419, 748620838, 11282785487, 22565570974, 78979498409, 157958996818]

約数ペア:

[(1, 157958996818), (2, 78979498409), (7, 22565570974), (14, 11282785487), (211, 748620838), (422, 374310419), (661, 238969738), (1322, 119484869), (1477, 106945834), (2954, 53472917), (4627, 34138534), (9254, 17069267), (80897, 1952594), (139471, 1132558), (161794, 976297), (278942, 566279)]