1999374910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{216617}}^1$

素因数の和:216708

約数の個数: 32

約数和(自身を含む): 3930316992

約数和(自身を除く): 1930942082

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 216617, 433234, 1083085, 2166170, 2816021, 5632042, 14080105, 15379807, 28160210, 30759614, 76899035, 153798070, 199937491, 399874982, 999687455, 1999374910]

約数ペア:

[(1, 1999374910), (2, 999687455), (5, 399874982), (10, 199937491), (13, 153798070), (26, 76899035), (65, 30759614), (71, 28160210), (130, 15379807), (142, 14080105), (355, 5632042), (710, 2816021), (923, 2166170), (1846, 1083085), (4615, 433234), (9230, 216617)]