7857990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{12473}}^1$

素因数の和:12493

約数の個数: 48

約数和(自身を含む): 23351328

約数和(自身を除く): 15493338

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 12473, 24946, 37419, 62365, 74838, 87311, 112257, 124730, 174622, 187095, 224514, 261933, 374190, 436555, 523866, 561285, 785799, 873110, 1122570, 1309665, 1571598, 2619330, 3928995, 7857990]

約数ペア:

[(1, 7857990), (2, 3928995), (3, 2619330), (5, 1571598), (6, 1309665), (7, 1122570), (9, 873110), (10, 785799), (14, 561285), (15, 523866), (18, 436555), (21, 374190), (30, 261933), (35, 224514), (42, 187095), (45, 174622), (63, 124730), (70, 112257), (90, 87311), (105, 74838), (126, 62365), (210, 37419), (315, 24946), (630, 12473)]