686291892

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{399937}}^1$

素因数の和:399968

約数の個数: 48

約数和(自身を含む): 1881308352

約数和(自身を除く): 1195016460

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 399937, 799874, 1199811, 1599748, 2399622, 4399307, 4799244, 5199181, 8798614, 10398362, 13197921, 15597543, 17597228, 20796724, 26395842, 31195086, 52791684, 57190991, 62390172, 114381982, 171572973, 228763964, 343145946, 686291892]

約数ペア:

[(1, 686291892), (2, 343145946), (3, 228763964), (4, 171572973), (6, 114381982), (11, 62390172), (12, 57190991), (13, 52791684), (22, 31195086), (26, 26395842), (33, 20796724), (39, 17597228), (44, 15597543), (52, 13197921), (66, 10398362), (78, 8798614), (132, 5199181), (143, 4799244), (156, 4399307), (286, 2399622), (429, 1599748), (572, 1199811), (858, 799874), (1716, 399937)]