13438945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 18289152

約数和(自身を除く): 4850207

約数列:

[1, 5, 13, 47, 53, 65, 83, 235, 265, 415, 611, 689, 1079, 2491, 3055, 3445, 3901, 4399, 5395, 12455, 19505, 21995, 32383, 50713, 57187, 161915, 206753, 253565, 285935, 1033765, 2687789, 13438945]

約数ペア:

[(1, 13438945), (5, 2687789), (13, 1033765), (47, 285935), (53, 253565), (65, 206753), (83, 161915), (235, 57187), (265, 50713), (415, 32383), (611, 21995), (689, 19505), (1079, 12455), (2491, 5395), (3055, 4399), (3445, 3901)]