645551454

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1\times {\mathrm{3779}}^1$

素因数の和:4256

約数の個数: 32

約数和(自身を含む): 1312899840

約数和(自身を除く): 667348386

約数列:

[1, 2, 3, 6, 71, 142, 213, 401, 426, 802, 1203, 2406, 3779, 7558, 11337, 22674, 28471, 56942, 85413, 170826, 268309, 536618, 804927, 1515379, 1609854, 3030758, 4546137, 9092274, 107591909, 215183818, 322775727, 645551454]

約数ペア:

[(1, 645551454), (2, 322775727), (3, 215183818), (6, 107591909), (71, 9092274), (142, 4546137), (213, 3030758), (401, 1609854), (426, 1515379), (802, 804927), (1203, 536618), (2406, 268309), (3779, 170826), (7558, 85413), (11337, 56942), (22674, 28471)]