81984924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17123}}^1$

素因数の和:17159

約数の個数: 72

約数和(自身を含む): 249325440

約数和(自身を除く): 167340516

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 17123, 34246, 51369, 68492, 102738, 119861, 154107, 205476, 239722, 308214, 325337, 359583, 479444, 616428, 650674, 719166, 976011, 1078749, 1301348, 1438332, 1952022, 2157498, 2277359, 2928033, 3904044, 4314996, 4554718, 5856066, 6832077, 9109436, 11712132, 13664154, 20496231, 27328308, 40992462, 81984924]

約数ペア:

[(1, 81984924), (2, 40992462), (3, 27328308), (4, 20496231), (6, 13664154), (7, 11712132), (9, 9109436), (12, 6832077), (14, 5856066), (18, 4554718), (19, 4314996), (21, 3904044), (28, 2928033), (36, 2277359), (38, 2157498), (42, 1952022), (57, 1438332), (63, 1301348), (76, 1078749), (84, 976011), (114, 719166), (126, 650674), (133, 616428), (171, 479444), (228, 359583), (252, 325337), (266, 308214), (342, 239722), (399, 205476), (532, 154107), (684, 119861), (798, 102738), (1197, 68492), (1596, 51369), (2394, 34246), (4788, 17123)]