2639516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 5080320

約数和(自身を除く): 2440804

約数列:

[1, 2, 4, 11, 22, 44, 239, 251, 478, 502, 956, 1004, 2629, 2761, 5258, 5522, 10516, 11044, 59989, 119978, 239956, 659879, 1319758, 2639516]

約数ペア:

[(1, 2639516), (2, 1319758), (4, 659879), (11, 239956), (22, 119978), (44, 59989), (239, 11044), (251, 10516), (478, 5522), (502, 5258), (956, 2761), (1004, 2629)]