217620458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2647}}^1$

素因数の和:2798

約数の個数: 32

約数和(自身を含む): 369491328

約数和(自身を除く): 151870870

約数列:

[1, 2, 11, 22, 37, 74, 101, 202, 407, 814, 1111, 2222, 2647, 3737, 5294, 7474, 29117, 41107, 58234, 82214, 97939, 195878, 267347, 534694, 1077329, 2154658, 2940817, 5881634, 9891839, 19783678, 108810229, 217620458]

約数ペア:

[(1, 217620458), (2, 108810229), (11, 19783678), (22, 9891839), (37, 5881634), (74, 2940817), (101, 2154658), (202, 1077329), (407, 534694), (814, 267347), (1111, 195878), (2222, 97939), (2647, 82214), (3737, 58234), (5294, 41107), (7474, 29117)]