138431384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:217

約数の個数: 128

約数和(自身を含む): 338688000

約数和(自身を除く): 200256616

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 79, 83, 91, 104, 116, 158, 166, 182, 203, 232, 316, 332, 364, 377, 406, 553, 581, 632, 664, 728, 754, 812, 1027, 1079, 1106, 1162, 1508, 1624, 2054, 2158, 2212, 2291, 2324, 2407, 2639, 3016, 4108, 4316, 4424, 4582, 4648, 4814, 5278, 6557, 7189, 7553, 8216, 8632, 9164, 9628, 10556, 13114, 14378, 15106, 16037, 16849, 18328, 19256, 21112, 26228, 28756, 29783, 30212, 31291, 32074, 33698, 45899, 52456, 57512, 59566, 60424, 62582, 64148, 67396, 85241, 91798, 119132, 125164, 128296, 134792, 170482, 183596, 190153, 208481, 219037, 238264, 250328, 340964, 367192, 380306, 416962, 438074, 596687, 681928, 760612, 833924, 876148, 1193374, 1331071, 1521224, 1667848, 1752296, 2386748, 2471989, 2662142, 4773496, 4943978, 5324284, 9887956, 10648568, 17303923, 19775912, 34607846, 69215692, 138431384]

約数ペア:

[(1, 138431384), (2, 69215692), (4, 34607846), (7, 19775912), (8, 17303923), (13, 10648568), (14, 9887956), (26, 5324284), (28, 4943978), (29, 4773496), (52, 2662142), (56, 2471989), (58, 2386748), (79, 1752296), (83, 1667848), (91, 1521224), (104, 1331071), (116, 1193374), (158, 876148), (166, 833924), (182, 760612), (203, 681928), (232, 596687), (316, 438074), (332, 416962), (364, 380306), (377, 367192), (406, 340964), (553, 250328), (581, 238264), (632, 219037), (664, 208481), (728, 190153), (754, 183596), (812, 170482), (1027, 134792), (1079, 128296), (1106, 125164), (1162, 119132), (1508, 91798), (1624, 85241), (2054, 67396), (2158, 64148), (2212, 62582), (2291, 60424), (2324, 59566), (2407, 57512), (2639, 52456), (3016, 45899), (4108, 33698), (4316, 32074), (4424, 31291), (4582, 30212), (4648, 29783), (4814, 28756), (5278, 26228), (6557, 21112), (7189, 19256), (7553, 18328), (8216, 16849), (8632, 16037), (9164, 15106), (9628, 14378), (10556, 13114)]