1213378621

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16007}}^1$

素因数の和:16058

約数の個数: 32

約数和(自身を含む): 1613606400

約数和(自身を除く): 400227779

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 343, 637, 833, 1547, 4459, 5831, 10829, 16007, 75803, 112049, 208091, 272119, 784343, 1456637, 1904833, 3537547, 5490401, 10196459, 13333831, 24762829, 71375213, 93336817, 173339803, 1213378621]

約数ペア:

[(1, 1213378621), (7, 173339803), (13, 93336817), (17, 71375213), (49, 24762829), (91, 13333831), (119, 10196459), (221, 5490401), (343, 3537547), (637, 1904833), (833, 1456637), (1547, 784343), (4459, 272119), (5831, 208091), (10829, 112049), (16007, 75803)]