28711090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 54846720

約数和(自身を除く): 26135630

約数列:

[1, 2, 5, 10, 19, 38, 95, 137, 190, 274, 685, 1103, 1370, 2206, 2603, 5206, 5515, 11030, 13015, 20957, 26030, 41914, 104785, 151111, 209570, 302222, 755555, 1511110, 2871109, 5742218, 14355545, 28711090]

約数ペア:

[(1, 28711090), (2, 14355545), (5, 5742218), (10, 2871109), (19, 1511110), (38, 755555), (95, 302222), (137, 209570), (190, 151111), (274, 104785), (685, 41914), (1103, 26030), (1370, 20957), (2206, 13015), (2603, 11030), (5206, 5515)]