217945008

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{21317}}^1$

素因数の和:21402

約数の個数: 60

約数和(自身を含む): 618563088

約数和(自身を除く): 400618080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 10224, 21317, 42634, 63951, 85268, 127902, 170536, 191853, 255804, 341072, 383706, 511608, 767412, 1023216, 1513507, 1534824, 3027014, 3069648, 4540521, 6054028, 9081042, 12108056, 13621563, 18162084, 24216112, 27243126, 36324168, 54486252, 72648336, 108972504, 217945008]

約数ペア:

[(1, 217945008), (2, 108972504), (3, 72648336), (4, 54486252), (6, 36324168), (8, 27243126), (9, 24216112), (12, 18162084), (16, 13621563), (18, 12108056), (24, 9081042), (36, 6054028), (48, 4540521), (71, 3069648), (72, 3027014), (142, 1534824), (144, 1513507), (213, 1023216), (284, 767412), (426, 511608), (568, 383706), (639, 341072), (852, 255804), (1136, 191853), (1278, 170536), (1704, 127902), (2556, 85268), (3408, 63951), (5112, 42634), (10224, 21317)]