138009145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 182666880

約数和(自身を除く): 44657735

約数列:

[1, 5, 17, 43, 61, 85, 215, 305, 619, 731, 1037, 2623, 3095, 3655, 5185, 10523, 13115, 26617, 37759, 44591, 52615, 133085, 188795, 222955, 452489, 641903, 1623637, 2262445, 3209515, 8118185, 27601829, 138009145]

約数ペア:

[(1, 138009145), (5, 27601829), (17, 8118185), (43, 3209515), (61, 2262445), (85, 1623637), (215, 641903), (305, 452489), (619, 222955), (731, 188795), (1037, 133085), (2623, 52615), (3095, 44591), (3655, 37759), (5185, 26617), (10523, 13115)]