90710902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 148428000

約数和(自身を除く): 57717098

約数列:

[1, 2, 19, 37, 38, 74, 149, 298, 433, 703, 866, 1406, 2831, 5513, 5662, 8227, 11026, 16021, 16454, 32042, 64517, 104747, 129034, 209494, 304399, 608798, 1225823, 2387129, 2451646, 4774258, 45355451, 90710902]

約数ペア:

[(1, 90710902), (2, 45355451), (19, 4774258), (37, 2451646), (38, 2387129), (74, 1225823), (149, 608798), (298, 304399), (433, 209494), (703, 129034), (866, 104747), (1406, 64517), (2831, 32042), (5513, 16454), (5662, 16021), (8227, 11026)]