40213278

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{727}}^1$

素因数の和:1181

約数の個数: 48

約数和(自身を含む): 99939840

約数和(自身を除く): 59726562

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 439, 727, 878, 1317, 1454, 2181, 2634, 3073, 3951, 4362, 5089, 6146, 6543, 7902, 9219, 10178, 13086, 15267, 18438, 27657, 30534, 45801, 55314, 91602, 319153, 638306, 957459, 1914918, 2234071, 2872377, 4468142, 5744754, 6702213, 13404426, 20106639, 40213278]

約数ペア:

[(1, 40213278), (2, 20106639), (3, 13404426), (6, 6702213), (7, 5744754), (9, 4468142), (14, 2872377), (18, 2234071), (21, 1914918), (42, 957459), (63, 638306), (126, 319153), (439, 91602), (727, 55314), (878, 45801), (1317, 30534), (1454, 27657), (2181, 18438), (2634, 15267), (3073, 13086), (3951, 10178), (4362, 9219), (5089, 7902), (6146, 6543)]