221497484

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{2087}}^1$

素因数の和:2274

約数の個数: 36

約数和(自身を含む): 422607024

約数和(自身を除く): 201109540

約数列:

[1, 2, 4, 13, 26, 52, 157, 169, 314, 338, 628, 676, 2041, 2087, 4082, 4174, 8164, 8348, 26533, 27131, 53066, 54262, 106132, 108524, 327659, 352703, 655318, 705406, 1310636, 1410812, 4259567, 8519134, 17038268, 55374371, 110748742, 221497484]

約数ペア:

[(1, 221497484), (2, 110748742), (4, 55374371), (13, 17038268), (26, 8519134), (52, 4259567), (157, 1410812), (169, 1310636), (314, 705406), (338, 655318), (628, 352703), (676, 327659), (2041, 108524), (2087, 106132), (4082, 54262), (4174, 53066), (8164, 27131), (8348, 26533)]