407262494

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 634677120

約数和(自身を除く): 227414626

約数列:

[1, 2, 53, 106, 131, 139, 211, 262, 278, 422, 6943, 7367, 11183, 13886, 14734, 18209, 22366, 27641, 29329, 36418, 55282, 58658, 965077, 1464973, 1554437, 1930154, 2929946, 3108874, 3842099, 7684198, 203631247, 407262494]

約数ペア:

[(1, 407262494), (2, 203631247), (53, 7684198), (106, 3842099), (131, 3108874), (139, 2929946), (211, 1930154), (262, 1554437), (278, 1464973), (422, 965077), (6943, 58658), (7367, 55282), (11183, 36418), (13886, 29329), (14734, 27641), (18209, 22366)]