1289771875

素因数分解:

$5^5\times 7^2\times {\mathrm{8423}}^1$

素因数の和:8462

約数の個数: 36

約数和(自身を含む): 1875536208

約数和(自身を除く): 585764333

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 1225, 3125, 4375, 6125, 8423, 21875, 30625, 42115, 58961, 153125, 210575, 294805, 412727, 1052875, 1474025, 2063635, 5264375, 7370125, 10318175, 26321875, 36850625, 51590875, 184253125, 257954375, 1289771875]

約数ペア:

[(1, 1289771875), (5, 257954375), (7, 184253125), (25, 51590875), (35, 36850625), (49, 26321875), (125, 10318175), (175, 7370125), (245, 5264375), (625, 2063635), (875, 1474025), (1225, 1052875), (3125, 412727), (4375, 294805), (6125, 210575), (8423, 153125), (21875, 58961), (30625, 42115)]