219936088

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{308899}}^1$

素因数の和:308994

約数の個数: 16

約数和(自身を含む): 417015000

約数和(自身を除く): 197078912

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 308899, 617798, 1235596, 2471192, 27492011, 54984022, 109968044, 219936088]

約数ペア:

[(1, 219936088), (2, 109968044), (4, 54984022), (8, 27492011), (89, 2471192), (178, 1235596), (356, 617798), (712, 308899)]