81784164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1451}}^1$

素因数の和:1537

約数の個数: 96

約数和(自身を含む): 241984512

約数和(自身を除く): 160200348

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 122, 132, 154, 183, 231, 244, 308, 366, 427, 462, 671, 732, 854, 924, 1281, 1342, 1451, 1708, 2013, 2562, 2684, 2902, 4026, 4353, 4697, 5124, 5804, 8052, 8706, 9394, 10157, 14091, 15961, 17412, 18788, 20314, 28182, 30471, 31922, 40628, 47883, 56364, 60942, 63844, 88511, 95766, 111727, 121884, 177022, 191532, 223454, 265533, 335181, 354044, 446908, 531066, 619577, 670362, 973621, 1062132, 1239154, 1340724, 1858731, 1947242, 2478308, 2920863, 3717462, 3894484, 5841726, 6815347, 7434924, 11683452, 13630694, 20446041, 27261388, 40892082, 81784164]

約数ペア:

[(1, 81784164), (2, 40892082), (3, 27261388), (4, 20446041), (6, 13630694), (7, 11683452), (11, 7434924), (12, 6815347), (14, 5841726), (21, 3894484), (22, 3717462), (28, 2920863), (33, 2478308), (42, 1947242), (44, 1858731), (61, 1340724), (66, 1239154), (77, 1062132), (84, 973621), (122, 670362), (132, 619577), (154, 531066), (183, 446908), (231, 354044), (244, 335181), (308, 265533), (366, 223454), (427, 191532), (462, 177022), (671, 121884), (732, 111727), (854, 95766), (924, 88511), (1281, 63844), (1342, 60942), (1451, 56364), (1708, 47883), (2013, 40628), (2562, 31922), (2684, 30471), (2902, 28182), (4026, 20314), (4353, 18788), (4697, 17412), (5124, 15961), (5804, 14091), (8052, 10157), (8706, 9394)]