128220612

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20047}}^1$

素因数の和:20108

約数の個数: 48

約数和(自身を含む): 330070272

約数和(自身を除く): 201849660

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 41, 52, 78, 82, 123, 156, 164, 246, 492, 533, 1066, 1599, 2132, 3198, 6396, 20047, 40094, 60141, 80188, 120282, 240564, 260611, 521222, 781833, 821927, 1042444, 1563666, 1643854, 2465781, 3127332, 3287708, 4931562, 9863124, 10685051, 21370102, 32055153, 42740204, 64110306, 128220612]

約数ペア:

[(1, 128220612), (2, 64110306), (3, 42740204), (4, 32055153), (6, 21370102), (12, 10685051), (13, 9863124), (26, 4931562), (39, 3287708), (41, 3127332), (52, 2465781), (78, 1643854), (82, 1563666), (123, 1042444), (156, 821927), (164, 781833), (246, 521222), (492, 260611), (533, 240564), (1066, 120282), (1599, 80188), (2132, 60141), (3198, 40094), (6396, 20047)]