81912838

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{1051}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 148458240

約数和(自身を除く): 66545402

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 293, 586, 1051, 2051, 2102, 4102, 5567, 7357, 11134, 14714, 19969, 38969, 39938, 77938, 139783, 279566, 307943, 615886, 2155601, 4311202, 5850917, 11701834, 40956419, 81912838]

約数ペア:

[(1, 81912838), (2, 40956419), (7, 11701834), (14, 5850917), (19, 4311202), (38, 2155601), (133, 615886), (266, 307943), (293, 279566), (586, 139783), (1051, 77938), (2051, 39938), (2102, 38969), (4102, 19969), (5567, 14714), (7357, 11134)]