13156645

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 17199864

約数和(自身を除く): 4043219

約数列:

[1, 5, 19, 37, 95, 185, 197, 361, 703, 985, 1805, 3515, 3743, 7289, 13357, 18715, 36445, 66785, 71117, 138491, 355585, 692455, 2631329, 13156645]

約数ペア:

[(1, 13156645), (5, 2631329), (19, 692455), (37, 355585), (95, 138491), (185, 71117), (197, 66785), (361, 36445), (703, 18715), (985, 13357), (1805, 7289), (3515, 3743)]