1339969325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{7489}}^1$

素因数の和:7937

約数の個数: 24

約数和(自身を含む): 1763715240

約数和(自身を除く): 423745915

約数列:

[1, 5, 17, 25, 85, 421, 425, 2105, 7157, 7489, 10525, 35785, 37445, 127313, 178925, 187225, 636565, 3152869, 3182825, 15764345, 53598773, 78821725, 267993865, 1339969325]

約数ペア:

[(1, 1339969325), (5, 267993865), (17, 78821725), (25, 53598773), (85, 15764345), (421, 3182825), (425, 3152869), (2105, 636565), (7157, 187225), (7489, 178925), (10525, 127313), (35785, 37445)]