2488885

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 3732480

約数和(自身を除く): 1243595

約数列:

[1, 5, 7, 17, 35, 47, 85, 89, 119, 235, 329, 445, 595, 623, 799, 1513, 1645, 3115, 3995, 4183, 5593, 7565, 10591, 20915, 27965, 29281, 52955, 71111, 146405, 355555, 497777, 2488885]

約数ペア:

[(1, 2488885), (5, 497777), (7, 355555), (17, 146405), (35, 71111), (47, 52955), (85, 29281), (89, 27965), (119, 20915), (235, 10591), (329, 7565), (445, 5593), (595, 4183), (623, 3995), (799, 3115), (1513, 1645)]