28912086231

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1\times {\mathrm{881}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 46759265280

約数和(自身を除く): 17847179049

約数列:

[1, 3, 7, 19, 21, 57, 133, 233, 353, 399, 699, 881, 1059, 1631, 2471, 2643, 4427, 4893, 6167, 6707, 7413, 13281, 16739, 18501, 20121, 30989, 46949, 50217, 82249, 92967, 117173, 140847, 205273, 246747, 310993, 351519, 575743, 615819, 932979, 1436911, 1562731, 1727229, 2176951, 3900187, 4310733, 4688193, 5908867, 6530853, 10939117, 11700561, 17726601, 27301309, 32817351, 41362069, 72461369, 81903927, 124086207, 217384107, 507229583, 1376766011, 1521688749, 4130298033, 9637362077, 28912086231]

約数ペア:

[(1, 28912086231), (3, 9637362077), (7, 4130298033), (19, 1521688749), (21, 1376766011), (57, 507229583), (133, 217384107), (233, 124086207), (353, 81903927), (399, 72461369), (699, 41362069), (881, 32817351), (1059, 27301309), (1631, 17726601), (2471, 11700561), (2643, 10939117), (4427, 6530853), (4893, 5908867), (6167, 4688193), (6707, 4310733), (7413, 3900187), (13281, 2176951), (16739, 1727229), (18501, 1562731), (20121, 1436911), (30989, 932979), (46949, 615819), (50217, 575743), (82249, 351519), (92967, 310993), (117173, 246747), (140847, 205273)]