725448208

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{6521}}^1$

素因数の和:6955

約数の個数: 40

約数和(自身を含む): 1492103160

約数和(自身を除く): 766654952

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 409, 818, 1636, 3272, 6521, 6544, 6953, 13042, 13906, 26084, 27812, 52168, 55624, 104336, 110857, 111248, 221714, 443428, 886856, 1773712, 2667089, 5334178, 10668356, 21336712, 42673424, 45340513, 90681026, 181362052, 362724104, 725448208]

約数ペア:

[(1, 725448208), (2, 362724104), (4, 181362052), (8, 90681026), (16, 45340513), (17, 42673424), (34, 21336712), (68, 10668356), (136, 5334178), (272, 2667089), (409, 1773712), (818, 886856), (1636, 443428), (3272, 221714), (6521, 111248), (6544, 110857), (6953, 104336), (13042, 55624), (13906, 52168), (26084, 27812)]