665420236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{180233}}^1$

素因数の和:180321

約数の個数: 24

約数和(自身を含む): 1271731104

約数和(自身を除く): 606310868

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 180233, 360466, 720932, 2343029, 4686058, 9372116, 12796543, 25593086, 51186172, 166355059, 332710118, 665420236]

約数ペア:

[(1, 665420236), (2, 332710118), (4, 166355059), (13, 51186172), (26, 25593086), (52, 12796543), (71, 9372116), (142, 4686058), (284, 2343029), (923, 720932), (1846, 360466), (3692, 180233)]