221424268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{22063}}^1$

素因数の和:22273

約数の個数: 24

約数和(自身を含む): 419480768

約数和(自身を除く): 198056500

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 2509, 5018, 10036, 22063, 44126, 88252, 286819, 573638, 1147276, 4258159, 8516318, 17032636, 55356067, 110712134, 221424268]

約数ペア:

[(1, 221424268), (2, 110712134), (4, 55356067), (13, 17032636), (26, 8516318), (52, 4258159), (193, 1147276), (386, 573638), (772, 286819), (2509, 88252), (5018, 44126), (10036, 22063)]