77881818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2251

約数の個数: 64

約数和(自身を含む): 190863360

約数和(自身を除く): 112981542

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 37, 42, 46, 69, 74, 111, 138, 161, 222, 259, 322, 483, 518, 777, 851, 966, 1554, 1702, 2179, 2553, 4358, 5106, 5957, 6537, 11914, 13074, 15253, 17871, 30506, 35742, 45759, 50117, 80623, 91518, 100234, 150351, 161246, 241869, 300702, 350819, 483738, 564361, 701638, 1052457, 1128722, 1693083, 1854329, 2104914, 3386166, 3708658, 5562987, 11125974, 12980303, 25960606, 38940909, 77881818]

約数ペア:

[(1, 77881818), (2, 38940909), (3, 25960606), (6, 12980303), (7, 11125974), (14, 5562987), (21, 3708658), (23, 3386166), (37, 2104914), (42, 1854329), (46, 1693083), (69, 1128722), (74, 1052457), (111, 701638), (138, 564361), (161, 483738), (222, 350819), (259, 300702), (322, 241869), (483, 161246), (518, 150351), (777, 100234), (851, 91518), (966, 80623), (1554, 50117), (1702, 45759), (2179, 35742), (2553, 30506), (4358, 17871), (5106, 15253), (5957, 13074), (6537, 11914)]