131879988

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 375677120

約数和(自身を除く): 243797132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 81, 108, 111, 114, 148, 162, 171, 193, 222, 228, 243, 324, 333, 342, 386, 444, 486, 513, 579, 666, 684, 703, 772, 972, 999, 1026, 1158, 1332, 1406, 1539, 1737, 1998, 2052, 2109, 2316, 2812, 2997, 3078, 3474, 3667, 3996, 4218, 4617, 5211, 5994, 6156, 6327, 6948, 7141, 7334, 8436, 8991, 9234, 10422, 11001, 11988, 12654, 14282, 14668, 15633, 17982, 18468, 18981, 20844, 21423, 22002, 25308, 28564, 31266, 33003, 35964, 37962, 42846, 44004, 46899, 56943, 62532, 64269, 66006, 75924, 85692, 93798, 99009, 113886, 128538, 132012, 135679, 170829, 187596, 192807, 198018, 227772, 257076, 271358, 297027, 341658, 385614, 396036, 407037, 542716, 578421, 594054, 683316, 771228, 814074, 891081, 1156842, 1188108, 1221111, 1628148, 1735263, 1782162, 2313684, 2442222, 3470526, 3564324, 3663333, 4884444, 6941052, 7326666, 10989999, 14653332, 21979998, 32969997, 43959996, 65939994, 131879988]

約数ペア:

[(1, 131879988), (2, 65939994), (3, 43959996), (4, 32969997), (6, 21979998), (9, 14653332), (12, 10989999), (18, 7326666), (19, 6941052), (27, 4884444), (36, 3663333), (37, 3564324), (38, 3470526), (54, 2442222), (57, 2313684), (74, 1782162), (76, 1735263), (81, 1628148), (108, 1221111), (111, 1188108), (114, 1156842), (148, 891081), (162, 814074), (171, 771228), (193, 683316), (222, 594054), (228, 578421), (243, 542716), (324, 407037), (333, 396036), (342, 385614), (386, 341658), (444, 297027), (486, 271358), (513, 257076), (579, 227772), (666, 198018), (684, 192807), (703, 187596), (772, 170829), (972, 135679), (999, 132012), (1026, 128538), (1158, 113886), (1332, 99009), (1406, 93798), (1539, 85692), (1737, 75924), (1998, 66006), (2052, 64269), (2109, 62532), (2316, 56943), (2812, 46899), (2997, 44004), (3078, 42846), (3474, 37962), (3667, 35964), (3996, 33003), (4218, 31266), (4617, 28564), (5211, 25308), (5994, 22002), (6156, 21423), (6327, 20844), (6948, 18981), (7141, 18468), (7334, 17982), (8436, 15633), (8991, 14668), (9234, 14282), (10422, 12654), (11001, 11988)]