7770275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 10445760

約数和(自身を除く): 2675485

約数列:

[1, 5, 17, 25, 47, 85, 235, 389, 425, 799, 1175, 1945, 3995, 6613, 9725, 18283, 19975, 33065, 91415, 165325, 310811, 457075, 1554055, 7770275]

約数ペア:

[(1, 7770275), (5, 1554055), (17, 457075), (25, 310811), (47, 165325), (85, 91415), (235, 33065), (389, 19975), (425, 18283), (799, 9725), (1175, 6613), (1945, 3995)]