990964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:112

約数の個数: 48

約数和(自身を含む): 2116800

約数和(自身を除く): 1125836

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 59, 68, 76, 118, 221, 236, 247, 323, 442, 494, 646, 767, 884, 988, 1003, 1121, 1292, 1534, 2006, 2242, 3068, 4012, 4199, 4484, 8398, 13039, 14573, 16796, 19057, 26078, 29146, 38114, 52156, 58292, 76228, 247741, 495482, 990964]

約数ペア:

[(1, 990964), (2, 495482), (4, 247741), (13, 76228), (17, 58292), (19, 52156), (26, 38114), (34, 29146), (38, 26078), (52, 19057), (59, 16796), (68, 14573), (76, 13039), (118, 8398), (221, 4484), (236, 4199), (247, 4012), (323, 3068), (442, 2242), (494, 2006), (646, 1534), (767, 1292), (884, 1121), (988, 1003)]