40818778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20389}}^1$

素因数の和:20422

約数の個数: 32

約数和(自身を含む): 82212480

約数和(自身を除く): 41393702

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 20389, 40778, 142723, 224279, 265057, 285446, 448558, 530114, 1569953, 1855399, 2915627, 3139906, 3710798, 5831254, 20409389, 40818778]

約数ペア:

[(1, 40818778), (2, 20409389), (7, 5831254), (11, 3710798), (13, 3139906), (14, 2915627), (22, 1855399), (26, 1569953), (77, 530114), (91, 448558), (143, 285446), (154, 265057), (182, 224279), (286, 142723), (1001, 40778), (2002, 20389)]