216918175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3461}}^1$

素因数の和:3603

約数の個数: 24

約数和(自身を含む): 283330080

約数和(自身を除く): 66411905

約数列:

[1, 5, 23, 25, 109, 115, 545, 575, 2507, 2725, 3461, 12535, 17305, 62675, 79603, 86525, 377249, 398015, 1886245, 1990075, 8676727, 9431225, 43383635, 216918175]

約数ペア:

[(1, 216918175), (5, 43383635), (23, 9431225), (25, 8676727), (109, 1990075), (115, 1886245), (545, 398015), (575, 377249), (2507, 86525), (2725, 79603), (3461, 62675), (12535, 17305)]