1280348

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 2368464

約数和(自身を除く): 1088116

約数列:

[1, 2, 4, 37, 41, 74, 82, 148, 164, 211, 422, 844, 1517, 3034, 6068, 7807, 8651, 15614, 17302, 31228, 34604, 320087, 640174, 1280348]

約数ペア:

[(1, 1280348), (2, 640174), (4, 320087), (37, 34604), (41, 31228), (74, 17302), (82, 15614), (148, 8651), (164, 7807), (211, 6068), (422, 3034), (844, 1517)]