681122988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1096

約数の個数: 144

約数和(自身を含む): 2129924160

約数和(自身を除く): 1448801172

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 257, 273, 364, 468, 514, 546, 771, 809, 819, 1028, 1092, 1542, 1618, 1638, 1799, 2313, 2427, 3084, 3236, 3276, 3341, 3598, 4626, 4854, 5397, 5663, 6682, 7196, 7281, 9252, 9708, 10023, 10517, 10794, 11326, 13364, 14562, 16191, 16989, 20046, 21034, 21588, 22652, 23387, 29124, 30069, 31551, 32382, 33978, 40092, 42068, 46774, 50967, 60138, 63102, 64764, 67956, 70161, 73619, 93548, 94653, 101934, 120276, 126204, 140322, 147238, 189306, 203868, 207913, 210483, 220857, 280644, 294476, 378612, 415826, 420966, 441714, 623739, 662571, 831652, 841932, 883428, 1247478, 1325142, 1455391, 1871217, 2494956, 2650284, 2702869, 2910782, 3742434, 4366173, 5405738, 5821564, 7484868, 8108607, 8732346, 10811476, 13098519, 16217214, 17464692, 18920083, 24325821, 26197038, 32434428, 37840166, 48651642, 52394076, 56760249, 75680332, 97303284, 113520498, 170280747, 227040996, 340561494, 681122988]

約数ペア:

[(1, 681122988), (2, 340561494), (3, 227040996), (4, 170280747), (6, 113520498), (7, 97303284), (9, 75680332), (12, 56760249), (13, 52394076), (14, 48651642), (18, 37840166), (21, 32434428), (26, 26197038), (28, 24325821), (36, 18920083), (39, 17464692), (42, 16217214), (52, 13098519), (63, 10811476), (78, 8732346), (84, 8108607), (91, 7484868), (117, 5821564), (126, 5405738), (156, 4366173), (182, 3742434), (234, 2910782), (252, 2702869), (257, 2650284), (273, 2494956), (364, 1871217), (468, 1455391), (514, 1325142), (546, 1247478), (771, 883428), (809, 841932), (819, 831652), (1028, 662571), (1092, 623739), (1542, 441714), (1618, 420966), (1638, 415826), (1799, 378612), (2313, 294476), (2427, 280644), (3084, 220857), (3236, 210483), (3276, 207913), (3341, 203868), (3598, 189306), (4626, 147238), (4854, 140322), (5397, 126204), (5663, 120276), (6682, 101934), (7196, 94653), (7281, 93548), (9252, 73619), (9708, 70161), (10023, 67956), (10517, 64764), (10794, 63102), (11326, 60138), (13364, 50967), (14562, 46774), (16191, 42068), (16989, 40092), (20046, 33978), (21034, 32382), (21588, 31551), (22652, 30069), (23387, 29124)]