78835428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{312839}}^1$

素因数の和:312856

約数の個数: 36

約数和(自身を含む): 227747520

約数和(自身を除く): 148912092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 312839, 625678, 938517, 1251356, 1877034, 2189873, 2815551, 3754068, 4379746, 5631102, 6569619, 8759492, 11262204, 13139238, 19708857, 26278476, 39417714, 78835428]

約数ペア:

[(1, 78835428), (2, 39417714), (3, 26278476), (4, 19708857), (6, 13139238), (7, 11262204), (9, 8759492), (12, 6569619), (14, 5631102), (18, 4379746), (21, 3754068), (28, 2815551), (36, 2189873), (42, 1877034), (63, 1251356), (84, 938517), (126, 625678), (252, 312839)]