256220041

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{373}}^1\times {\mathrm{811}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 323124032

約数和(自身を除く): 66903991

約数列:

[1, 7, 11, 77, 121, 373, 811, 847, 2611, 4103, 5677, 8921, 28721, 45133, 62447, 98131, 302503, 315931, 686917, 2117521, 3327533, 23292731, 36602863, 256220041]

約数ペア:

[(1, 256220041), (7, 36602863), (11, 23292731), (77, 3327533), (121, 2117521), (373, 686917), (811, 315931), (847, 302503), (2611, 98131), (4103, 62447), (5677, 45133), (8921, 28721)]