77831985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:958

約数の個数: 64

約数和(自身を含む): 157409280

約数和(自身を除く): 79577295

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 79, 105, 165, 231, 237, 385, 395, 553, 853, 869, 1155, 1185, 1659, 2559, 2607, 2765, 4265, 4345, 5971, 6083, 8295, 9383, 12795, 13035, 17913, 18249, 28149, 29855, 30415, 46915, 65681, 67387, 89565, 91245, 140745, 197043, 202161, 328405, 336935, 471709, 741257, 985215, 1010805, 1415127, 2223771, 2358545, 3706285, 5188799, 7075635, 11118855, 15566397, 25943995, 77831985]

約数ペア:

[(1, 77831985), (3, 25943995), (5, 15566397), (7, 11118855), (11, 7075635), (15, 5188799), (21, 3706285), (33, 2358545), (35, 2223771), (55, 1415127), (77, 1010805), (79, 985215), (105, 741257), (165, 471709), (231, 336935), (237, 328405), (385, 202161), (395, 197043), (553, 140745), (853, 91245), (869, 89565), (1155, 67387), (1185, 65681), (1659, 46915), (2559, 30415), (2607, 29855), (2765, 28149), (4265, 18249), (4345, 17913), (5971, 13035), (6083, 12795), (8295, 9383)]