1878581264

素因数分解:

$2^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:984

約数の個数: 80

約数和(自身を含む): 4218587136

約数和(自身を除く): 2340005872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 137, 191, 274, 382, 548, 641, 764, 959, 1096, 1282, 1337, 1528, 1918, 2192, 2564, 2674, 3056, 3836, 4487, 5128, 5348, 7672, 8974, 10256, 10696, 15344, 17948, 21392, 26167, 35896, 52334, 71792, 87817, 104668, 122431, 175634, 183169, 209336, 244862, 351268, 366338, 418672, 489724, 614719, 702536, 732676, 857017, 979448, 1229438, 1405072, 1465352, 1714034, 1958896, 2458876, 2930704, 3428068, 4917752, 6856136, 9835504, 13712272, 16773047, 33546094, 67092188, 117411329, 134184376, 234822658, 268368752, 469645316, 939290632, 1878581264]

約数ペア:

[(1, 1878581264), (2, 939290632), (4, 469645316), (7, 268368752), (8, 234822658), (14, 134184376), (16, 117411329), (28, 67092188), (56, 33546094), (112, 16773047), (137, 13712272), (191, 9835504), (274, 6856136), (382, 4917752), (548, 3428068), (641, 2930704), (764, 2458876), (959, 1958896), (1096, 1714034), (1282, 1465352), (1337, 1405072), (1528, 1229438), (1918, 979448), (2192, 857017), (2564, 732676), (2674, 702536), (3056, 614719), (3836, 489724), (4487, 418672), (5128, 366338), (5348, 351268), (7672, 244862), (8974, 209336), (10256, 183169), (10696, 175634), (15344, 122431), (17948, 104668), (21392, 87817), (26167, 71792), (35896, 52334)]