16520395870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{443}}^1\times {\mathrm{977}}^1$

素因数の和:1785

約数の個数: 64

約数和(自身を含む): 32640350976

約数和(自身を除く): 16119955106

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 347, 443, 694, 886, 977, 1735, 1954, 2215, 3470, 3817, 4430, 4873, 4885, 7634, 9746, 9770, 10747, 19085, 21494, 24365, 38170, 48730, 53735, 107470, 153721, 307442, 339019, 432811, 678038, 768605, 865622, 1537210, 1690931, 1695095, 2164055, 3381862, 3390190, 3729209, 4328110, 4760921, 7458418, 8454655, 9521842, 16909310, 18646045, 23804605, 37292090, 47609210, 150185417, 300370834, 750927085, 1501854170, 1652039587, 3304079174, 8260197935, 16520395870]

約数ペア:

[(1, 16520395870), (2, 8260197935), (5, 3304079174), (10, 1652039587), (11, 1501854170), (22, 750927085), (55, 300370834), (110, 150185417), (347, 47609210), (443, 37292090), (694, 23804605), (886, 18646045), (977, 16909310), (1735, 9521842), (1954, 8454655), (2215, 7458418), (3470, 4760921), (3817, 4328110), (4430, 3729209), (4873, 3390190), (4885, 3381862), (7634, 2164055), (9746, 1695095), (9770, 1690931), (10747, 1537210), (19085, 865622), (21494, 768605), (24365, 678038), (38170, 432811), (48730, 339019), (53735, 307442), (107470, 153721)]