388895672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5531}}^1$

素因数の和:5612

約数の個数: 64

約数和(自身を含む): 860336640

約数和(自身を除く): 471440968

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 47, 68, 88, 94, 136, 187, 188, 374, 376, 517, 748, 799, 1034, 1496, 1598, 2068, 3196, 4136, 5531, 6392, 8789, 11062, 17578, 22124, 35156, 44248, 60841, 70312, 94027, 121682, 188054, 243364, 259957, 376108, 486728, 519914, 752216, 1034297, 1039828, 2068594, 2079656, 2859527, 4137188, 4419269, 5719054, 8274376, 8838538, 11438108, 17677076, 22876216, 35354152, 48611959, 97223918, 194447836, 388895672]

約数ペア:

[(1, 388895672), (2, 194447836), (4, 97223918), (8, 48611959), (11, 35354152), (17, 22876216), (22, 17677076), (34, 11438108), (44, 8838538), (47, 8274376), (68, 5719054), (88, 4419269), (94, 4137188), (136, 2859527), (187, 2079656), (188, 2068594), (374, 1039828), (376, 1034297), (517, 752216), (748, 519914), (799, 486728), (1034, 376108), (1496, 259957), (1598, 243364), (2068, 188054), (3196, 121682), (4136, 94027), (5531, 70312), (6392, 60841), (8789, 44248), (11062, 35156), (17578, 22124)]