8974278

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 20723040

約数和(自身を除く): 11748762

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 53, 69, 106, 138, 159, 207, 318, 409, 414, 477, 818, 954, 1219, 1227, 2438, 2454, 3657, 3681, 7314, 7362, 9407, 10971, 18814, 21677, 21942, 28221, 43354, 56442, 65031, 84663, 130062, 169326, 195093, 390186, 498571, 997142, 1495713, 2991426, 4487139, 8974278]

約数ペア:

[(1, 8974278), (2, 4487139), (3, 2991426), (6, 1495713), (9, 997142), (18, 498571), (23, 390186), (46, 195093), (53, 169326), (69, 130062), (106, 84663), (138, 65031), (159, 56442), (207, 43354), (318, 28221), (409, 21942), (414, 21677), (477, 18814), (818, 10971), (954, 9407), (1219, 7362), (1227, 7314), (2438, 3681), (2454, 3657)]