1287492778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4501723}}^1$

素因数の和:4501749

約数の個数: 16

約数和(自身を含む): 2268868896

約数和(自身を除く): 981376118

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 4501723, 9003446, 49518953, 58522399, 99037906, 117044798, 643746389, 1287492778]

約数ペア:

[(1, 1287492778), (2, 643746389), (11, 117044798), (13, 99037906), (22, 58522399), (26, 49518953), (143, 9003446), (286, 4501723)]