6428890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2909}}^1$

素因数の和:2946

約数の個数: 32

約数和(自身を含む): 13199760

約数和(自身を除く): 6770870

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 2909, 5818, 14545, 29090, 37817, 49453, 75634, 98906, 189085, 247265, 378170, 494530, 642889, 1285778, 3214445, 6428890]

約数ペア:

[(1, 6428890), (2, 3214445), (5, 1285778), (10, 642889), (13, 494530), (17, 378170), (26, 247265), (34, 189085), (65, 98906), (85, 75634), (130, 49453), (170, 37817), (221, 29090), (442, 14545), (1105, 5818), (2210, 2909)]