258878373

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{15767}}^1$

素因数の和:16204

約数の個数: 16

約数和(自身を含む): 372629376

約数和(自身を除く): 113751003

約数列:

[1, 3, 13, 39, 421, 1263, 5473, 15767, 16419, 47301, 204971, 614913, 6637907, 19913721, 86292791, 258878373]

約数ペア:

[(1, 258878373), (3, 86292791), (13, 19913721), (39, 6637907), (421, 614913), (1263, 204971), (5473, 47301), (15767, 16419)]