217208095

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 302520960

約数和(自身を除く): 85312865

約数列:

[1, 5, 13, 19, 65, 83, 95, 163, 169, 247, 415, 815, 845, 1079, 1235, 1577, 2119, 3097, 3211, 5395, 7885, 10595, 13529, 14027, 15485, 16055, 20501, 27547, 40261, 67645, 70135, 102505, 137735, 175877, 201305, 257051, 266513, 523393, 879385, 1285255, 1332565, 2286401, 2616965, 3341663, 11432005, 16708315, 43441619, 217208095]

約数ペア:

[(1, 217208095), (5, 43441619), (13, 16708315), (19, 11432005), (65, 3341663), (83, 2616965), (95, 2286401), (163, 1332565), (169, 1285255), (247, 879385), (415, 523393), (815, 266513), (845, 257051), (1079, 201305), (1235, 175877), (1577, 137735), (2119, 102505), (3097, 70135), (3211, 67645), (5395, 40261), (7885, 27547), (10595, 20501), (13529, 16055), (14027, 15485)]