520216921

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{104231}}^1$

素因数の和:104292

約数の個数: 16

約数和(自身を含む): 640401408

約数和(自身を除く): 120184487

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 104231, 729617, 2397313, 3231161, 16781191, 22618127, 74316703, 520216921]

約数ペア:

[(1, 520216921), (7, 74316703), (23, 22618127), (31, 16781191), (161, 3231161), (217, 2397313), (713, 729617), (4991, 104231)]