217745214

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{281}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 473651712

約数和(自身を除く): 255906498

約数列:

[1, 2, 3, 6, 17, 34, 51, 71, 102, 107, 142, 213, 214, 281, 321, 426, 562, 642, 843, 1207, 1686, 1819, 2414, 3621, 3638, 4777, 5457, 7242, 7597, 9554, 10914, 14331, 15194, 19951, 22791, 28662, 30067, 39902, 45582, 59853, 60134, 90201, 119706, 129149, 180402, 258298, 339167, 387447, 511139, 678334, 774894, 1017501, 1022278, 1533417, 2035002, 2134757, 3066834, 4269514, 6404271, 12808542, 36290869, 72581738, 108872607, 217745214]

約数ペア:

[(1, 217745214), (2, 108872607), (3, 72581738), (6, 36290869), (17, 12808542), (34, 6404271), (51, 4269514), (71, 3066834), (102, 2134757), (107, 2035002), (142, 1533417), (213, 1022278), (214, 1017501), (281, 774894), (321, 678334), (426, 511139), (562, 387447), (642, 339167), (843, 258298), (1207, 180402), (1686, 129149), (1819, 119706), (2414, 90201), (3621, 60134), (3638, 59853), (4777, 45582), (5457, 39902), (7242, 30067), (7597, 28662), (9554, 22791), (10914, 19951), (14331, 15194)]