201438544

素因数分解:

$2^4\times {\mathrm{251}}^1\times {\mathrm{50159}}^1$

素因数の和:50418

約数の個数: 20

約数和(自身を含む): 391849920

約数和(自身を除く): 190411376

約数列:

[1, 2, 4, 8, 16, 251, 502, 1004, 2008, 4016, 50159, 100318, 200636, 401272, 802544, 12589909, 25179818, 50359636, 100719272, 201438544]

約数ペア:

[(1, 201438544), (2, 100719272), (4, 50359636), (8, 25179818), (16, 12589909), (251, 802544), (502, 401272), (1004, 200636), (2008, 100318), (4016, 50159)]