408973878

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1\times {\mathrm{691}}^1$

素因数の和:1081

約数の個数: 48

約数和(自身を含む): 897728832

約数和(自身を除く): 488754954

約数列:

[1, 2, 3, 6, 9, 18, 131, 251, 262, 393, 502, 691, 753, 786, 1179, 1382, 1506, 2073, 2259, 2358, 4146, 4518, 6219, 12438, 32881, 65762, 90521, 98643, 173441, 181042, 197286, 271563, 295929, 346882, 520323, 543126, 591858, 814689, 1040646, 1560969, 1629378, 3121938, 22720771, 45441542, 68162313, 136324626, 204486939, 408973878]

約数ペア:

[(1, 408973878), (2, 204486939), (3, 136324626), (6, 68162313), (9, 45441542), (18, 22720771), (131, 3121938), (251, 1629378), (262, 1560969), (393, 1040646), (502, 814689), (691, 591858), (753, 543126), (786, 520323), (1179, 346882), (1382, 295929), (1506, 271563), (2073, 197286), (2259, 181042), (2358, 173441), (4146, 98643), (4518, 90521), (6219, 65762), (12438, 32881)]