199960978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{3371}}^1$

素因数の和:3622

約数の個数: 32

約数和(自身を含む): 362557440

約数和(自身を除く): 162596462

約数列:

[1, 2, 7, 14, 19, 38, 133, 223, 266, 446, 1561, 3122, 3371, 4237, 6742, 8474, 23597, 29659, 47194, 59318, 64049, 128098, 448343, 751733, 896686, 1503466, 5262131, 10524262, 14282927, 28565854, 99980489, 199960978]

約数ペア:

[(1, 199960978), (2, 99980489), (7, 28565854), (14, 14282927), (19, 10524262), (38, 5262131), (133, 1503466), (223, 896686), (266, 751733), (446, 448343), (1561, 128098), (3122, 64049), (3371, 59318), (4237, 47194), (6742, 29659), (8474, 23597)]