406979638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{23971}}^1$

素因数の和:24639

約数の個数: 16

約数和(自身を含む): 658462896

約数和(自身を除く): 251483258

約数列:

[1, 2, 13, 26, 653, 1306, 8489, 16978, 23971, 47942, 311623, 623246, 15653063, 31306126, 203489819, 406979638]

約数ペア:

[(1, 406979638), (2, 203489819), (13, 31306126), (26, 15653063), (653, 623246), (1306, 311623), (8489, 47942), (16978, 23971)]