819701971

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 1027393920

約数和(自身を除く): 207691949

約数列:

[1, 11, 17, 19, 41, 187, 209, 289, 323, 331, 451, 697, 779, 3179, 3553, 3641, 5491, 5627, 6289, 7667, 8569, 11849, 13243, 13571, 60401, 61897, 69179, 95659, 106913, 130339, 145673, 149281, 225131, 230707, 257849, 1052249, 1176043, 1817521, 2476441, 2537777, 2836339, 3922019, 4383433, 19992731, 43142209, 48217763, 74518361, 819701971]

約数ペア:

[(1, 819701971), (11, 74518361), (17, 48217763), (19, 43142209), (41, 19992731), (187, 4383433), (209, 3922019), (289, 2836339), (323, 2537777), (331, 2476441), (451, 1817521), (697, 1176043), (779, 1052249), (3179, 257849), (3553, 230707), (3641, 225131), (5491, 149281), (5627, 145673), (6289, 130339), (7667, 106913), (8569, 95659), (11849, 69179), (13243, 61897), (13571, 60401)]