81369794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 135907200

約数和(自身を除く): 54537406

約数列:

[1, 2, 11, 22, 103, 149, 206, 241, 298, 482, 1133, 1639, 2266, 2651, 3278, 5302, 15347, 24823, 30694, 35909, 49646, 71818, 168817, 273053, 337634, 394999, 546106, 789998, 3698627, 7397254, 40684897, 81369794]

約数ペア:

[(1, 81369794), (2, 40684897), (11, 7397254), (22, 3698627), (103, 789998), (149, 546106), (206, 394999), (241, 337634), (298, 273053), (482, 168817), (1133, 71818), (1639, 49646), (2266, 35909), (2651, 30694), (3278, 24823), (5302, 15347)]