399519317

素因数分解:

${\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{421}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 416949504

約数和(自身を除く): 17430187

約数列:

[1, 47, 61, 331, 421, 2867, 15557, 19787, 20191, 25681, 139351, 948977, 1207007, 6549497, 8500411, 399519317]

約数ペア:

[(1, 399519317), (47, 8500411), (61, 6549497), (331, 1207007), (421, 948977), (2867, 139351), (15557, 25681), (19787, 20191)]