81447444

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 120

約数和(自身を含む): 233792328

約数和(自身を除く): 152344884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 61, 78, 81, 108, 117, 122, 156, 162, 183, 234, 244, 317, 324, 351, 366, 468, 549, 634, 702, 732, 793, 951, 1053, 1098, 1268, 1404, 1586, 1647, 1902, 2106, 2196, 2379, 2853, 3172, 3294, 3804, 4121, 4212, 4758, 4941, 5706, 6588, 7137, 8242, 8559, 9516, 9882, 11412, 12363, 14274, 16484, 17118, 19337, 19764, 21411, 24726, 25677, 28548, 34236, 37089, 38674, 42822, 49452, 51354, 58011, 64233, 74178, 77348, 85644, 102708, 111267, 116022, 128466, 148356, 174033, 222534, 232044, 251381, 256932, 333801, 348066, 445068, 502762, 522099, 667602, 696132, 754143, 1005524, 1044198, 1335204, 1508286, 1566297, 2088396, 2262429, 3016572, 3132594, 4524858, 6265188, 6787287, 9049716, 13574574, 20361861, 27149148, 40723722, 81447444]

約数ペア:

[(1, 81447444), (2, 40723722), (3, 27149148), (4, 20361861), (6, 13574574), (9, 9049716), (12, 6787287), (13, 6265188), (18, 4524858), (26, 3132594), (27, 3016572), (36, 2262429), (39, 2088396), (52, 1566297), (54, 1508286), (61, 1335204), (78, 1044198), (81, 1005524), (108, 754143), (117, 696132), (122, 667602), (156, 522099), (162, 502762), (183, 445068), (234, 348066), (244, 333801), (317, 256932), (324, 251381), (351, 232044), (366, 222534), (468, 174033), (549, 148356), (634, 128466), (702, 116022), (732, 111267), (793, 102708), (951, 85644), (1053, 77348), (1098, 74178), (1268, 64233), (1404, 58011), (1586, 51354), (1647, 49452), (1902, 42822), (2106, 38674), (2196, 37089), (2379, 34236), (2853, 28548), (3172, 25677), (3294, 24726), (3804, 21411), (4121, 19764), (4212, 19337), (4758, 17118), (4941, 16484), (5706, 14274), (6588, 12363), (7137, 11412), (8242, 9882), (8559, 9516)]