639968790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{927491}}^1$

素因数の和:927524

約数の個数: 32

約数和(自身を含む): 1602706176

約数和(自身を除く): 962737386

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 927491, 1854982, 2782473, 4637455, 5564946, 9274910, 13912365, 21332293, 27824730, 42664586, 63996879, 106661465, 127993758, 213322930, 319984395, 639968790]

約数ペア:

[(1, 639968790), (2, 319984395), (3, 213322930), (5, 127993758), (6, 106661465), (10, 63996879), (15, 42664586), (23, 27824730), (30, 21332293), (46, 13912365), (69, 9274910), (115, 5564946), (138, 4637455), (230, 2782473), (345, 1854982), (690, 927491)]