138178261

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 164602368

約数和(自身を除く): 26424107

約数列:

[1, 13, 17, 47, 53, 221, 251, 611, 689, 799, 901, 2491, 3263, 4267, 10387, 11713, 11797, 13303, 32383, 42347, 55471, 153361, 172939, 200549, 226151, 550511, 625241, 2607137, 2939963, 8128133, 10629097, 138178261]

約数ペア:

[(1, 138178261), (13, 10629097), (17, 8128133), (47, 2939963), (53, 2607137), (221, 625241), (251, 550511), (611, 226151), (689, 200549), (799, 172939), (901, 153361), (2491, 55471), (3263, 42347), (4267, 32383), (10387, 13303), (11713, 11797)]