201990513028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{27761203}}^1$

素因数の和:27761331

約数の個数: 24

約数和(自身を含む): 377774464032

約数和(自身を除く): 175783951004

約数列:

[1, 2, 4, 17, 34, 68, 107, 214, 428, 1819, 3638, 7276, 27761203, 55522406, 111044812, 471940451, 943880902, 1887761804, 2970448721, 5940897442, 11881794884, 50497628257, 100995256514, 201990513028]

約数ペア:

[(1, 201990513028), (2, 100995256514), (4, 50497628257), (17, 11881794884), (34, 5940897442), (68, 2970448721), (107, 1887761804), (214, 943880902), (428, 471940451), (1819, 111044812), (3638, 55522406), (7276, 27761203)]