142742972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1506

約数の個数: 48

約数和(自身を含む): 277939200

約数和(自身を除く): 135196228

約数列:

[1, 2, 4, 19, 31, 38, 43, 62, 76, 86, 124, 172, 589, 817, 1178, 1333, 1409, 1634, 2356, 2666, 2818, 3268, 5332, 5636, 25327, 26771, 43679, 50654, 53542, 60587, 87358, 101308, 107084, 121174, 174716, 242348, 829901, 1151153, 1659802, 1878197, 2302306, 3319604, 3756394, 4604612, 7512788, 35685743, 71371486, 142742972]

約数ペア:

[(1, 142742972), (2, 71371486), (4, 35685743), (19, 7512788), (31, 4604612), (38, 3756394), (43, 3319604), (62, 2302306), (76, 1878197), (86, 1659802), (124, 1151153), (172, 829901), (589, 242348), (817, 174716), (1178, 121174), (1333, 107084), (1409, 101308), (1634, 87358), (2356, 60587), (2666, 53542), (2818, 50654), (3268, 43679), (5332, 26771), (5636, 25327)]