13200551

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 18615744

約数和(自身を除く): 5415193

約数列:

[1, 7, 13, 17, 23, 49, 53, 91, 119, 161, 221, 299, 371, 391, 637, 689, 833, 901, 1127, 1219, 1547, 2093, 2597, 2737, 4823, 5083, 6307, 8533, 10829, 11713, 14651, 15847, 19159, 20723, 33761, 35581, 44149, 59731, 81991, 110929, 145061, 249067, 269399, 573937, 776503, 1015427, 1885793, 13200551]

約数ペア:

[(1, 13200551), (7, 1885793), (13, 1015427), (17, 776503), (23, 573937), (49, 269399), (53, 249067), (91, 145061), (119, 110929), (161, 81991), (221, 59731), (299, 44149), (371, 35581), (391, 33761), (637, 20723), (689, 19159), (833, 15847), (901, 14651), (1127, 11713), (1219, 10829), (1547, 8533), (2093, 6307), (2597, 5083), (2737, 4823)]