2178727388

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{22271}}^1$

素因数の和:22973

約数の個数: 24

約数和(自身を含む): 3921921024

約数和(自身を除く): 1743193636

約数列:

[1, 2, 4, 37, 74, 148, 661, 1322, 2644, 22271, 24457, 44542, 48914, 89084, 97828, 824027, 1648054, 3296108, 14721131, 29442262, 58884524, 544681847, 1089363694, 2178727388]

約数ペア:

[(1, 2178727388), (2, 1089363694), (4, 544681847), (37, 58884524), (74, 29442262), (148, 14721131), (661, 3296108), (1322, 1648054), (2644, 824027), (22271, 97828), (24457, 89084), (44542, 48914)]