138728044

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1543}}^1$

素因数の和:1599

約数の個数: 72

約数和(自身を含む): 316458240

約数和(自身を除く): 177730196

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 169, 182, 247, 266, 338, 364, 494, 532, 676, 988, 1183, 1543, 1729, 2366, 3086, 3211, 3458, 4732, 6172, 6422, 6916, 10801, 12844, 20059, 21602, 22477, 29317, 40118, 43204, 44954, 58634, 80236, 89908, 117268, 140413, 205219, 260767, 280826, 381121, 410438, 521534, 561652, 762242, 820876, 1043068, 1524484, 1825369, 2667847, 3650738, 4954573, 5335694, 7301476, 9909146, 10671388, 19818292, 34682011, 69364022, 138728044]

約数ペア:

[(1, 138728044), (2, 69364022), (4, 34682011), (7, 19818292), (13, 10671388), (14, 9909146), (19, 7301476), (26, 5335694), (28, 4954573), (38, 3650738), (52, 2667847), (76, 1825369), (91, 1524484), (133, 1043068), (169, 820876), (182, 762242), (247, 561652), (266, 521534), (338, 410438), (364, 381121), (494, 280826), (532, 260767), (676, 205219), (988, 140413), (1183, 117268), (1543, 89908), (1729, 80236), (2366, 58634), (3086, 44954), (3211, 43204), (3458, 40118), (4732, 29317), (6172, 22477), (6422, 21602), (6916, 20059), (10801, 12844)]