28357630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2957}}^1$

素因数の和:3108

約数の個数: 32

約数和(自身を含む): 58781376

約数和(自身を除く): 30423746

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 137, 274, 685, 959, 1370, 1918, 2957, 4795, 5914, 9590, 14785, 20699, 29570, 41398, 103495, 206990, 405109, 810218, 2025545, 2835763, 4051090, 5671526, 14178815, 28357630]

約数ペア:

[(1, 28357630), (2, 14178815), (5, 5671526), (7, 4051090), (10, 2835763), (14, 2025545), (35, 810218), (70, 405109), (137, 206990), (274, 103495), (685, 41398), (959, 29570), (1370, 20699), (1918, 14785), (2957, 9590), (4795, 5914)]