61981895

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{1493}}^1$

素因数の和:1559

約数の個数: 24

約数和(自身を含む): 81966816

約数和(自身を除く): 19984921

約数列:

[1, 5, 19, 23, 95, 115, 361, 437, 1493, 1805, 2185, 7465, 8303, 28367, 34339, 41515, 141835, 171695, 538973, 652441, 2694865, 3262205, 12396379, 61981895]

約数ペア:

[(1, 61981895), (5, 12396379), (19, 3262205), (23, 2694865), (95, 652441), (115, 538973), (361, 171695), (437, 141835), (1493, 41515), (1805, 34339), (2185, 28367), (7465, 8303)]