81797628

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3947}}^1$

素因数の和:4122

約数の個数: 48

約数和(自身を含む): 209591424

約数和(自身を除く): 127793796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1727, 1884, 3454, 3947, 5181, 6908, 7894, 10362, 11841, 15788, 20724, 23682, 43417, 47364, 86834, 130251, 173668, 260502, 521004, 619679, 1239358, 1859037, 2478716, 3718074, 6816469, 7436148, 13632938, 20449407, 27265876, 40898814, 81797628]

約数ペア:

[(1, 81797628), (2, 40898814), (3, 27265876), (4, 20449407), (6, 13632938), (11, 7436148), (12, 6816469), (22, 3718074), (33, 2478716), (44, 1859037), (66, 1239358), (132, 619679), (157, 521004), (314, 260502), (471, 173668), (628, 130251), (942, 86834), (1727, 47364), (1884, 43417), (3454, 23682), (3947, 20724), (5181, 15788), (6908, 11841), (7894, 10362)]