221988884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{60127}}^1$

素因数の和:60215

約数の個数: 24

約数和(自身を含む): 424263168

約数和(自身を除く): 202274284

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 60127, 120254, 240508, 781651, 1563302, 3126604, 4269017, 8538034, 17076068, 55497221, 110994442, 221988884]

約数ペア:

[(1, 221988884), (2, 110994442), (4, 55497221), (13, 17076068), (26, 8538034), (52, 4269017), (71, 3126604), (142, 1563302), (284, 781651), (923, 240508), (1846, 120254), (3692, 60127)]