128726975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1013}}^1$

素因数の和:1076

約数の個数: 48

約数和(自身を含む): 190112832

約数和(自身を除く): 61385857

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 221, 299, 325, 391, 425, 575, 1013, 1105, 1495, 1955, 5065, 5083, 5525, 7475, 9775, 13169, 17221, 23299, 25325, 25415, 65845, 86105, 116495, 127075, 223873, 302887, 329225, 396083, 430525, 582475, 1119365, 1514435, 1980415, 5149079, 5596825, 7572175, 9902075, 25745395, 128726975]

約数ペア:

[(1, 128726975), (5, 25745395), (13, 9902075), (17, 7572175), (23, 5596825), (25, 5149079), (65, 1980415), (85, 1514435), (115, 1119365), (221, 582475), (299, 430525), (325, 396083), (391, 329225), (425, 302887), (575, 223873), (1013, 127075), (1105, 116495), (1495, 86105), (1955, 65845), (5065, 25415), (5083, 25325), (5525, 23299), (7475, 17221), (9775, 13169)]