257839524

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 144

約数和(自身を含む): 717516800

約数和(自身を除く): 459677276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 43, 54, 62, 81, 86, 93, 108, 124, 129, 162, 172, 186, 199, 243, 258, 279, 324, 372, 387, 398, 486, 516, 558, 597, 774, 796, 837, 972, 1116, 1161, 1194, 1333, 1548, 1674, 1791, 2322, 2388, 2511, 2666, 3348, 3483, 3582, 3999, 4644, 5022, 5332, 5373, 6169, 6966, 7164, 7533, 7998, 8557, 10044, 10449, 10746, 11997, 12338, 13932, 15066, 15996, 16119, 17114, 18507, 20898, 21492, 23994, 24676, 25671, 30132, 32238, 34228, 35991, 37014, 41796, 47988, 48357, 51342, 55521, 64476, 71982, 74028, 77013, 96714, 102684, 107973, 111042, 143964, 154026, 166563, 193428, 215946, 222084, 231039, 265267, 308052, 323919, 333126, 431892, 462078, 499689, 530534, 647838, 666252, 693117, 795801, 924156, 999378, 1061068, 1295676, 1386234, 1499067, 1591602, 1998756, 2079351, 2387403, 2772468, 2998134, 3183204, 4158702, 4774806, 5996268, 7162209, 8317404, 9549612, 14324418, 21486627, 28648836, 42973254, 64459881, 85946508, 128919762, 257839524]

約数ペア:

[(1, 257839524), (2, 128919762), (3, 85946508), (4, 64459881), (6, 42973254), (9, 28648836), (12, 21486627), (18, 14324418), (27, 9549612), (31, 8317404), (36, 7162209), (43, 5996268), (54, 4774806), (62, 4158702), (81, 3183204), (86, 2998134), (93, 2772468), (108, 2387403), (124, 2079351), (129, 1998756), (162, 1591602), (172, 1499067), (186, 1386234), (199, 1295676), (243, 1061068), (258, 999378), (279, 924156), (324, 795801), (372, 693117), (387, 666252), (398, 647838), (486, 530534), (516, 499689), (558, 462078), (597, 431892), (774, 333126), (796, 323919), (837, 308052), (972, 265267), (1116, 231039), (1161, 222084), (1194, 215946), (1333, 193428), (1548, 166563), (1674, 154026), (1791, 143964), (2322, 111042), (2388, 107973), (2511, 102684), (2666, 96714), (3348, 77013), (3483, 74028), (3582, 71982), (3999, 64476), (4644, 55521), (5022, 51342), (5332, 48357), (5373, 47988), (6169, 41796), (6966, 37014), (7164, 35991), (7533, 34228), (7998, 32238), (8557, 30132), (10044, 25671), (10449, 24676), (10746, 23994), (11997, 21492), (12338, 20898), (13932, 18507), (15066, 17114), (15996, 16119)]