28983725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1525

約数の個数: 24

約数和(自身を含む): 38890368

約数和(自身を除く): 9906643

約数列:

[1, 5, 17, 25, 47, 85, 235, 425, 799, 1175, 1451, 3995, 7255, 19975, 24667, 36275, 68197, 123335, 340985, 616675, 1159349, 1704925, 5796745, 28983725]

約数ペア:

[(1, 28983725), (5, 5796745), (17, 1704925), (25, 1159349), (47, 616675), (85, 340985), (235, 123335), (425, 68197), (799, 36275), (1175, 24667), (1451, 19975), (3995, 7255)]