9990234

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:499

約数の個数: 48

約数和(自身を含む): 23025600

約数和(自身を除く): 13035366

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 59, 69, 118, 138, 177, 207, 354, 409, 414, 531, 818, 1062, 1227, 1357, 2454, 2714, 3681, 4071, 7362, 8142, 9407, 12213, 18814, 24131, 24426, 28221, 48262, 56442, 72393, 84663, 144786, 169326, 217179, 434358, 555013, 1110026, 1665039, 3330078, 4995117, 9990234]

約数ペア:

[(1, 9990234), (2, 4995117), (3, 3330078), (6, 1665039), (9, 1110026), (18, 555013), (23, 434358), (46, 217179), (59, 169326), (69, 144786), (118, 84663), (138, 72393), (177, 56442), (207, 48262), (354, 28221), (409, 24426), (414, 24131), (531, 18814), (818, 12213), (1062, 9407), (1227, 8142), (1357, 7362), (2454, 4071), (2714, 3681)]