989490814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{42239}}^1$

素因数の和:42324

約数の個数: 32

約数和(自身を含む): 1724405760

約数和(自身を除く): 734914946

約数列:

[1, 2, 13, 17, 26, 34, 53, 106, 221, 442, 689, 901, 1378, 1802, 11713, 23426, 42239, 84478, 549107, 718063, 1098214, 1436126, 2238667, 4477334, 9334819, 18669638, 29102671, 38057339, 58205342, 76114678, 494745407, 989490814]

約数ペア:

[(1, 989490814), (2, 494745407), (13, 76114678), (17, 58205342), (26, 38057339), (34, 29102671), (53, 18669638), (106, 9334819), (221, 4477334), (442, 2238667), (689, 1436126), (901, 1098214), (1378, 718063), (1802, 549107), (11713, 84478), (23426, 42239)]