215445908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{421}}^1\times {\mathrm{4127}}^1$

素因数の和:4583

約数の個数: 24

約数和(自身を含む): 390211584

約数和(自身を除く): 174765676

約数列:

[1, 2, 4, 31, 62, 124, 421, 842, 1684, 4127, 8254, 13051, 16508, 26102, 52204, 127937, 255874, 511748, 1737467, 3474934, 6949868, 53861477, 107722954, 215445908]

約数ペア:

[(1, 215445908), (2, 107722954), (4, 53861477), (31, 6949868), (62, 3474934), (124, 1737467), (421, 511748), (842, 255874), (1684, 127937), (4127, 52204), (8254, 26102), (13051, 16508)]