1621000432

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{16033}}^1$

素因数の和:16201

約数の個数: 40

約数和(自身を含む): 3220909920

約数和(自身を除く): 1599909488

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 178, 284, 356, 568, 712, 1136, 1424, 6319, 12638, 16033, 25276, 32066, 50552, 64132, 101104, 128264, 256528, 1138343, 1426937, 2276686, 2853874, 4553372, 5707748, 9106744, 11415496, 18213488, 22830992, 101312527, 202625054, 405250108, 810500216, 1621000432]

約数ペア:

[(1, 1621000432), (2, 810500216), (4, 405250108), (8, 202625054), (16, 101312527), (71, 22830992), (89, 18213488), (142, 11415496), (178, 9106744), (284, 5707748), (356, 4553372), (568, 2853874), (712, 2276686), (1136, 1426937), (1424, 1138343), (6319, 256528), (12638, 128264), (16033, 101104), (25276, 64132), (32066, 50552)]