42809185

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 55769256

約数和(自身を除く): 12960071

約数列:

[1, 5, 19, 37, 95, 185, 361, 641, 703, 1805, 3205, 3515, 12179, 13357, 23717, 60895, 66785, 118585, 231401, 450623, 1157005, 2253115, 8561837, 42809185]

約数ペア:

[(1, 42809185), (5, 8561837), (19, 2253115), (37, 1157005), (95, 450623), (185, 231401), (361, 118585), (641, 66785), (703, 60895), (1805, 23717), (3205, 13357), (3515, 12179)]