156640421338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{21581761}}^1$

素因数の和:21581973

約数の個数: 16

約数和(自身を含む): 248621898240

約数和(自身を除く): 91981476902

約数列:

[1, 2, 19, 38, 191, 382, 3629, 7258, 21581761, 43163522, 410053459, 820106918, 4122116351, 8244232702, 78320210669, 156640421338]

約数ペア:

[(1, 156640421338), (2, 78320210669), (19, 8244232702), (38, 4122116351), (191, 820106918), (382, 410053459), (3629, 43163522), (7258, 21581761)]