28928374

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:532

約数の個数: 24

約数和(自身を含む): 46360080

約数和(自身を除く): 17431706

約数列:

[1, 2, 19, 38, 103, 206, 361, 389, 722, 778, 1957, 3914, 7391, 14782, 37183, 40067, 74366, 80134, 140429, 280858, 761273, 1522546, 14464187, 28928374]

約数ペア:

[(1, 28928374), (2, 14464187), (19, 1522546), (38, 761273), (103, 280858), (206, 140429), (361, 80134), (389, 74366), (722, 40067), (778, 37183), (1957, 14782), (3914, 7391)]