639156969143

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{5083123}}^1$

素因数の和:5083235

約数の個数: 32

約数和(自身を含む): 843229274112

約数和(自身を除く): 204072304969

約数列:

[1, 7, 11, 23, 71, 77, 161, 253, 497, 781, 1633, 1771, 5467, 11431, 17963, 125741, 5083123, 35581861, 55914353, 116911829, 360901733, 391400471, 818382803, 1286030119, 2526312131, 3969919063, 8300739859, 9002210833, 27789433441, 58105179013, 91308138449, 639156969143]

約数ペア:

[(1, 639156969143), (7, 91308138449), (11, 58105179013), (23, 27789433441), (71, 9002210833), (77, 8300739859), (161, 3969919063), (253, 2526312131), (497, 1286030119), (781, 818382803), (1633, 391400471), (1771, 360901733), (5467, 116911829), (11431, 55914353), (17963, 35581861), (125741, 5083123)]