15705949987

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1172

約数の個数: 64

約数和(自身を含む): 20971560960

約数和(自身を除く): 5265610973

約数列:

[1, 7, 13, 17, 53, 91, 119, 221, 223, 371, 689, 859, 901, 1547, 1561, 2899, 3791, 4823, 6013, 6307, 11167, 11713, 11819, 14603, 20293, 26537, 45527, 49283, 78169, 81991, 82733, 102221, 153647, 189839, 191557, 200923, 318689, 344981, 591851, 773959, 1075529, 1328873, 1340899, 1406461, 2490241, 2611999, 3256469, 4142957, 5417713, 10061467, 10152521, 17431687, 18283993, 22795283, 42334097, 70430269, 71067647, 131982773, 172592857, 296338679, 923879411, 1208149999, 2243707141, 15705949987]

約数ペア:

[(1, 15705949987), (7, 2243707141), (13, 1208149999), (17, 923879411), (53, 296338679), (91, 172592857), (119, 131982773), (221, 71067647), (223, 70430269), (371, 42334097), (689, 22795283), (859, 18283993), (901, 17431687), (1547, 10152521), (1561, 10061467), (2899, 5417713), (3791, 4142957), (4823, 3256469), (6013, 2611999), (6307, 2490241), (11167, 1406461), (11713, 1340899), (11819, 1328873), (14603, 1075529), (20293, 773959), (26537, 591851), (45527, 344981), (49283, 318689), (78169, 200923), (81991, 191557), (82733, 189839), (102221, 153647)]