217268016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{646631}}^1$

素因数の和:646649

約数の個数: 40

約数和(自身を含む): 641458944

約数和(自身を除く): 424190928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 646631, 1293262, 1939893, 2586524, 3879786, 4526417, 5173048, 7759572, 9052834, 10346096, 13579251, 15519144, 18105668, 27158502, 31038288, 36211336, 54317004, 72422672, 108634008, 217268016]

約数ペア:

[(1, 217268016), (2, 108634008), (3, 72422672), (4, 54317004), (6, 36211336), (7, 31038288), (8, 27158502), (12, 18105668), (14, 15519144), (16, 13579251), (21, 10346096), (24, 9052834), (28, 7759572), (42, 5173048), (48, 4526417), (56, 3879786), (84, 2586524), (112, 1939893), (168, 1293262), (336, 646631)]