80686788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1997}}^1$

素因数の和:2061

約数の個数: 96

約数和(自身を含む): 238097664

約数和(自身を除く): 157410876

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 37, 39, 42, 52, 74, 78, 84, 91, 111, 148, 156, 182, 222, 259, 273, 364, 444, 481, 518, 546, 777, 962, 1036, 1092, 1443, 1554, 1924, 1997, 2886, 3108, 3367, 3994, 5772, 5991, 6734, 7988, 10101, 11982, 13468, 13979, 20202, 23964, 25961, 27958, 40404, 41937, 51922, 55916, 73889, 77883, 83874, 103844, 147778, 155766, 167748, 181727, 221667, 295556, 311532, 363454, 443334, 517223, 545181, 726908, 886668, 960557, 1034446, 1090362, 1551669, 1921114, 2068892, 2180724, 2881671, 3103338, 3842228, 5763342, 6206676, 6723899, 11526684, 13447798, 20171697, 26895596, 40343394, 80686788]

約数ペア:

[(1, 80686788), (2, 40343394), (3, 26895596), (4, 20171697), (6, 13447798), (7, 11526684), (12, 6723899), (13, 6206676), (14, 5763342), (21, 3842228), (26, 3103338), (28, 2881671), (37, 2180724), (39, 2068892), (42, 1921114), (52, 1551669), (74, 1090362), (78, 1034446), (84, 960557), (91, 886668), (111, 726908), (148, 545181), (156, 517223), (182, 443334), (222, 363454), (259, 311532), (273, 295556), (364, 221667), (444, 181727), (481, 167748), (518, 155766), (546, 147778), (777, 103844), (962, 83874), (1036, 77883), (1092, 73889), (1443, 55916), (1554, 51922), (1924, 41937), (1997, 40404), (2886, 27958), (3108, 25961), (3367, 23964), (3994, 20202), (5772, 13979), (5991, 13468), (6734, 11982), (7988, 10101)]