641988

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{1049}}^1$

素因数の和:1076

約数の個数: 36

約数和(自身を含む): 1719900

約数和(自身を除く): 1077912

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 1049, 2098, 3147, 4196, 6294, 9441, 12588, 17833, 18882, 35666, 37764, 53499, 71332, 106998, 160497, 213996, 320994, 641988]

約数ペア:

[(1, 641988), (2, 320994), (3, 213996), (4, 160497), (6, 106998), (9, 71332), (12, 53499), (17, 37764), (18, 35666), (34, 18882), (36, 17833), (51, 12588), (68, 9441), (102, 6294), (153, 4196), (204, 3147), (306, 2098), (612, 1049)]