87781930

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{50741}}^1$

素因数の和:50921

約数の個数: 16

約数和(自身を含む): 158923944

約数和(自身を除く): 71142014

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 50741, 101482, 253705, 507410, 8778193, 17556386, 43890965, 87781930]

約数ペア:

[(1, 87781930), (2, 43890965), (5, 17556386), (10, 8778193), (173, 507410), (346, 253705), (865, 101482), (1730, 50741)]