9810851908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{21149}}^1$

素因数の和:21988

約数の個数: 48

約数和(自身を含む): 20196388800

約数和(自身を除く): 10385536892

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 811, 1622, 3244, 8921, 10543, 17842, 21086, 21149, 35684, 42172, 42298, 84596, 115973, 231946, 232639, 274937, 463892, 465278, 549874, 930556, 1099748, 3024307, 6048614, 12097228, 17151839, 34303678, 68607356, 188670229, 222973907, 377340458, 445947814, 754680916, 891895628, 2452712977, 4905425954, 9810851908]

約数ペア:

[(1, 9810851908), (2, 4905425954), (4, 2452712977), (11, 891895628), (13, 754680916), (22, 445947814), (26, 377340458), (44, 222973907), (52, 188670229), (143, 68607356), (286, 34303678), (572, 17151839), (811, 12097228), (1622, 6048614), (3244, 3024307), (8921, 1099748), (10543, 930556), (17842, 549874), (21086, 465278), (21149, 463892), (35684, 274937), (42172, 232639), (42298, 231946), (84596, 115973)]