1639632718

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{242621}}^1$

素因数の和:242763

約数の個数: 16

約数和(自身を含む): 2562088320

約数和(自身を除く): 922455602

約数列:

[1, 2, 31, 62, 109, 218, 3379, 6758, 242621, 485242, 7521251, 15042502, 26445689, 52891378, 819816359, 1639632718]

約数ペア:

[(1, 1639632718), (2, 819816359), (31, 52891378), (62, 26445689), (109, 15042502), (218, 7521251), (3379, 485242), (6758, 242621)]