816984

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1621}}^1$

素因数の和:1640

約数の個数: 48

約数和(自身を含む): 2530320

約数和(自身を除く): 1713336

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1621, 3242, 4863, 6484, 9726, 11347, 12968, 14589, 19452, 22694, 29178, 34041, 38904, 45388, 58356, 68082, 90776, 102123, 116712, 136164, 204246, 272328, 408492, 816984]

約数ペア:

[(1, 816984), (2, 408492), (3, 272328), (4, 204246), (6, 136164), (7, 116712), (8, 102123), (9, 90776), (12, 68082), (14, 58356), (18, 45388), (21, 38904), (24, 34041), (28, 29178), (36, 22694), (42, 19452), (56, 14589), (63, 12968), (72, 11347), (84, 9726), (126, 6484), (168, 4863), (252, 3242), (504, 1621)]