77781834

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19553}}^1$

素因数の和:19591

約数の個数: 48

約数和(自身を含む): 192176712

約数和(自身を除く): 114394878

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 19553, 39106, 58659, 117318, 175977, 254189, 332401, 351954, 508378, 664802, 762567, 997203, 1525134, 1994406, 2287701, 2991609, 4321213, 4575402, 5983218, 8642426, 12963639, 25927278, 38890917, 77781834]

約数ペア:

[(1, 77781834), (2, 38890917), (3, 25927278), (6, 12963639), (9, 8642426), (13, 5983218), (17, 4575402), (18, 4321213), (26, 2991609), (34, 2287701), (39, 1994406), (51, 1525134), (78, 997203), (102, 762567), (117, 664802), (153, 508378), (221, 351954), (234, 332401), (306, 254189), (442, 175977), (663, 117318), (1326, 58659), (1989, 39106), (3978, 19553)]