668666736

素因数分解:

$2^4\times 3^2\times {\mathrm{647}}^1\times {\mathrm{7177}}^1$

素因数の和:7838

約数の個数: 60

約数和(自身を含む): 1874491632

約数和(自身を除く): 1205824896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 647, 1294, 1941, 2588, 3882, 5176, 5823, 7177, 7764, 10352, 11646, 14354, 15528, 21531, 23292, 28708, 31056, 43062, 46584, 57416, 64593, 86124, 93168, 114832, 129186, 172248, 258372, 344496, 516744, 1033488, 4643519, 9287038, 13930557, 18574076, 27861114, 37148152, 41791671, 55722228, 74296304, 83583342, 111444456, 167166684, 222888912, 334333368, 668666736]

約数ペア:

[(1, 668666736), (2, 334333368), (3, 222888912), (4, 167166684), (6, 111444456), (8, 83583342), (9, 74296304), (12, 55722228), (16, 41791671), (18, 37148152), (24, 27861114), (36, 18574076), (48, 13930557), (72, 9287038), (144, 4643519), (647, 1033488), (1294, 516744), (1941, 344496), (2588, 258372), (3882, 172248), (5176, 129186), (5823, 114832), (7177, 93168), (7764, 86124), (10352, 64593), (11646, 57416), (14354, 46584), (15528, 43062), (21531, 31056), (23292, 28708)]