81367884

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 108

約数和(自身を含む): 229442304

約数和(自身を除く): 148074420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 37, 39, 52, 74, 78, 111, 117, 127, 148, 156, 222, 234, 254, 333, 381, 444, 468, 481, 508, 666, 762, 962, 1143, 1332, 1369, 1443, 1524, 1651, 1924, 2286, 2738, 2886, 3302, 4107, 4329, 4572, 4699, 4953, 5476, 5772, 6604, 8214, 8658, 9398, 9906, 12321, 14097, 14859, 16428, 17316, 17797, 18796, 19812, 24642, 28194, 29718, 35594, 42291, 49284, 53391, 56388, 59436, 61087, 71188, 84582, 106782, 122174, 160173, 169164, 173863, 183261, 213564, 244348, 320346, 347726, 366522, 521589, 549783, 640692, 695452, 733044, 1043178, 1099566, 1564767, 2086356, 2199132, 2260219, 3129534, 4520438, 6259068, 6780657, 9040876, 13561314, 20341971, 27122628, 40683942, 81367884]

約数ペア:

[(1, 81367884), (2, 40683942), (3, 27122628), (4, 20341971), (6, 13561314), (9, 9040876), (12, 6780657), (13, 6259068), (18, 4520438), (26, 3129534), (36, 2260219), (37, 2199132), (39, 2086356), (52, 1564767), (74, 1099566), (78, 1043178), (111, 733044), (117, 695452), (127, 640692), (148, 549783), (156, 521589), (222, 366522), (234, 347726), (254, 320346), (333, 244348), (381, 213564), (444, 183261), (468, 173863), (481, 169164), (508, 160173), (666, 122174), (762, 106782), (962, 84582), (1143, 71188), (1332, 61087), (1369, 59436), (1443, 56388), (1524, 53391), (1651, 49284), (1924, 42291), (2286, 35594), (2738, 29718), (2886, 28194), (3302, 24642), (4107, 19812), (4329, 18796), (4572, 17797), (4699, 17316), (4953, 16428), (5476, 14859), (5772, 14097), (6604, 12321), (8214, 9906), (8658, 9398)]