61420964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19661}}^1$

素因数の和:19747

約数の個数: 24

約数和(自身を含む): 118915776

約数和(自身を除く): 57494812

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 19661, 39322, 78644, 216271, 432542, 865084, 1395931, 2791862, 5583724, 15355241, 30710482, 61420964]

約数ペア:

[(1, 61420964), (2, 30710482), (4, 15355241), (11, 5583724), (22, 2791862), (44, 1395931), (71, 865084), (142, 432542), (284, 216271), (781, 78644), (1562, 39322), (3124, 19661)]