780346

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:549

約数の個数: 16

約数和(自身を含む): 1350720

約数和(自身を除く): 570374

約数列:

[1, 2, 7, 14, 139, 278, 401, 802, 973, 1946, 2807, 5614, 55739, 111478, 390173, 780346]

約数ペア:

[(1, 780346), (2, 390173), (7, 111478), (14, 55739), (139, 5614), (278, 2807), (401, 1946), (802, 973)]