397753772

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{20507}}^1$

素因数の和:20897

約数の個数: 24

約数和(自身を含む): 751659216

約数和(自身を除く): 353905444

約数列:

[1, 2, 4, 13, 26, 52, 373, 746, 1492, 4849, 9698, 19396, 20507, 41014, 82028, 266591, 533182, 1066364, 7649111, 15298222, 30596444, 99438443, 198876886, 397753772]

約数ペア:

[(1, 397753772), (2, 198876886), (4, 99438443), (13, 30596444), (26, 15298222), (52, 7649111), (373, 1066364), (746, 533182), (1492, 266591), (4849, 82028), (9698, 41014), (19396, 20507)]