648889388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^3\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 1420675200

約数和(自身を除く): 771785812

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 53, 68, 89, 106, 119, 178, 212, 238, 289, 356, 371, 476, 578, 623, 742, 901, 1156, 1246, 1484, 1513, 1802, 2023, 2492, 3026, 3604, 4046, 4717, 4913, 6052, 6307, 8092, 9434, 9826, 10591, 12614, 15317, 18868, 19652, 21182, 25228, 25721, 30634, 33019, 34391, 42364, 51442, 61268, 66038, 68782, 80189, 102884, 107219, 132076, 137564, 160378, 180047, 214438, 260389, 320756, 360094, 428876, 437257, 520778, 561323, 720188, 874514, 1041556, 1122646, 1363213, 1749028, 1822723, 2245292, 2726426, 3060799, 3645446, 5452852, 6121598, 7290892, 9542491, 12243196, 19084982, 23174621, 38169964, 46349242, 92698484, 162222347, 324444694, 648889388]

約数ペア:

[(1, 648889388), (2, 324444694), (4, 162222347), (7, 92698484), (14, 46349242), (17, 38169964), (28, 23174621), (34, 19084982), (53, 12243196), (68, 9542491), (89, 7290892), (106, 6121598), (119, 5452852), (178, 3645446), (212, 3060799), (238, 2726426), (289, 2245292), (356, 1822723), (371, 1749028), (476, 1363213), (578, 1122646), (623, 1041556), (742, 874514), (901, 720188), (1156, 561323), (1246, 520778), (1484, 437257), (1513, 428876), (1802, 360094), (2023, 320756), (2492, 260389), (3026, 214438), (3604, 180047), (4046, 160378), (4717, 137564), (4913, 132076), (6052, 107219), (6307, 102884), (8092, 80189), (9434, 68782), (9826, 66038), (10591, 61268), (12614, 51442), (15317, 42364), (18868, 34391), (19652, 33019), (21182, 30634), (25228, 25721)]