390717885

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1\times {\mathrm{467}}^1$

素因数の和:702

約数の個数: 48

約数和(自身を含む): 668955456

約数和(自身を除く): 278237571

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 289, 467, 579, 867, 965, 1401, 1445, 2335, 2895, 3281, 4335, 7005, 7939, 9843, 16405, 23817, 39695, 49215, 55777, 90131, 119085, 134963, 167331, 270393, 278885, 404889, 450655, 674815, 836655, 1351965, 1532227, 2024445, 4596681, 7661135, 22983405, 26047859, 78143577, 130239295, 390717885]

約数ペア:

[(1, 390717885), (3, 130239295), (5, 78143577), (15, 26047859), (17, 22983405), (51, 7661135), (85, 4596681), (193, 2024445), (255, 1532227), (289, 1351965), (467, 836655), (579, 674815), (867, 450655), (965, 404889), (1401, 278885), (1445, 270393), (2335, 167331), (2895, 134963), (3281, 119085), (4335, 90131), (7005, 55777), (7939, 49215), (9843, 39695), (16405, 23817)]