2019988789

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{31397}}^1$

素因数の和:31525

約数の個数: 24

約数和(自身を含む): 2555671608

約数和(自身を除く): 535682819

約数列:

[1, 7, 13, 49, 91, 101, 637, 707, 1313, 4949, 9191, 31397, 64337, 219779, 408161, 1538453, 2857127, 3171097, 19999889, 22197679, 41224261, 155383753, 288569827, 2019988789]

約数ペア:

[(1, 2019988789), (7, 288569827), (13, 155383753), (49, 41224261), (91, 22197679), (101, 19999889), (637, 3171097), (707, 2857127), (1313, 1538453), (4949, 408161), (9191, 219779), (31397, 64337)]