28005835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 41741568

約数和(自身を除く): 13735733

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 131, 143, 169, 253, 299, 655, 715, 845, 1265, 1441, 1495, 1703, 1859, 3013, 3289, 3887, 7205, 8515, 9295, 15065, 16445, 18733, 19435, 22139, 33143, 39169, 42757, 93665, 110695, 165715, 195845, 213785, 243529, 430859, 509197, 1217645, 2154295, 2545985, 5601167, 28005835]

約数ペア:

[(1, 28005835), (5, 5601167), (11, 2545985), (13, 2154295), (23, 1217645), (55, 509197), (65, 430859), (115, 243529), (131, 213785), (143, 195845), (169, 165715), (253, 110695), (299, 93665), (655, 42757), (715, 39169), (845, 33143), (1265, 22139), (1441, 19435), (1495, 18733), (1703, 16445), (1859, 15065), (3013, 9295), (3289, 8515), (3887, 7205)]