171948917

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 216480000

約数和(自身を除く): 44531083

約数列:

[1, 7, 19, 29, 109, 133, 203, 409, 551, 763, 2071, 2863, 3161, 3857, 7771, 11861, 14497, 22127, 44581, 54397, 60059, 83027, 225359, 312067, 420413, 847039, 1292849, 1577513, 5929273, 9049943, 24564131, 171948917]

約数ペア:

[(1, 171948917), (7, 24564131), (19, 9049943), (29, 5929273), (109, 1577513), (133, 1292849), (203, 847039), (409, 420413), (551, 312067), (763, 225359), (2071, 83027), (2863, 60059), (3161, 54397), (3857, 44581), (7771, 22127), (11861, 14497)]