201649679

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{409}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 266073600

約数和(自身を除く): 64423921

約数列:

[1, 7, 11, 19, 77, 133, 209, 337, 409, 1463, 2359, 2863, 3707, 4499, 6403, 7771, 25949, 31493, 44821, 54397, 70433, 85481, 137833, 493031, 598367, 964831, 1516163, 2618827, 10613141, 18331789, 28807097, 201649679]

約数ペア:

[(1, 201649679), (7, 28807097), (11, 18331789), (19, 10613141), (77, 2618827), (133, 1516163), (209, 964831), (337, 598367), (409, 493031), (1463, 137833), (2359, 85481), (2863, 70433), (3707, 54397), (4499, 44821), (6403, 31493), (7771, 25949)]