821392416

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{219389}}^1$

素因数の和:219418

約数の個数: 72

約数和(自身を含む): 2515525740

約数和(自身を除く): 1694133324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 219389, 438778, 658167, 877556, 1316334, 1755112, 1974501, 2632668, 2852057, 3510224, 3949002, 5265336, 5704114, 7020448, 7898004, 8556171, 10530672, 11408228, 15796008, 17112342, 21061344, 22816456, 25668513, 31592016, 34224684, 45632912, 51337026, 63184032, 68449368, 91265824, 102674052, 136898736, 205348104, 273797472, 410696208, 821392416]

約数ペア:

[(1, 821392416), (2, 410696208), (3, 273797472), (4, 205348104), (6, 136898736), (8, 102674052), (9, 91265824), (12, 68449368), (13, 63184032), (16, 51337026), (18, 45632912), (24, 34224684), (26, 31592016), (32, 25668513), (36, 22816456), (39, 21061344), (48, 17112342), (52, 15796008), (72, 11408228), (78, 10530672), (96, 8556171), (104, 7898004), (117, 7020448), (144, 5704114), (156, 5265336), (208, 3949002), (234, 3510224), (288, 2852057), (312, 2632668), (416, 1974501), (468, 1755112), (624, 1316334), (936, 877556), (1248, 658167), (1872, 438778), (3744, 219389)]