205991604

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 646009728

約数和(自身を除く): 440018124

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, 227, 234, 252, 273, 277, 364, 454, 468, 546, 554, 681, 819, 831, 908, 1092, 1108, 1362, 1589, 1638, 1662, 1939, 2043, 2493, 2724, 2951, 3178, 3276, 3324, 3601, 3878, 4086, 4767, 4986, 5817, 5902, 6356, 7202, 7756, 8172, 8853, 9534, 9972, 10803, 11634, 11804, 14301, 14404, 17451, 17706, 19068, 20657, 21606, 23268, 25207, 26559, 28602, 32409, 34902, 35412, 41314, 43212, 50414, 53118, 57204, 61971, 62879, 64818, 69804, 75621, 82628, 100828, 106236, 123942, 125758, 129636, 151242, 185913, 188637, 226863, 247884, 251516, 302484, 371826, 377274, 440153, 453726, 565911, 743652, 754548, 817427, 880306, 907452, 1131822, 1320459, 1634854, 1760612, 2263644, 2452281, 2640918, 3269708, 3961377, 4904562, 5281836, 5721989, 7356843, 7922754, 9809124, 11443978, 14713686, 15845508, 17165967, 22887956, 29427372, 34331934, 51497901, 68663868, 102995802, 205991604]

約数ペア:

[(1, 205991604), (2, 102995802), (3, 68663868), (4, 51497901), (6, 34331934), (7, 29427372), (9, 22887956), (12, 17165967), (13, 15845508), (14, 14713686), (18, 11443978), (21, 9809124), (26, 7922754), (28, 7356843), (36, 5721989), (39, 5281836), (42, 4904562), (52, 3961377), (63, 3269708), (78, 2640918), (84, 2452281), (91, 2263644), (117, 1760612), (126, 1634854), (156, 1320459), (182, 1131822), (227, 907452), (234, 880306), (252, 817427), (273, 754548), (277, 743652), (364, 565911), (454, 453726), (468, 440153), (546, 377274), (554, 371826), (681, 302484), (819, 251516), (831, 247884), (908, 226863), (1092, 188637), (1108, 185913), (1362, 151242), (1589, 129636), (1638, 125758), (1662, 123942), (1939, 106236), (2043, 100828), (2493, 82628), (2724, 75621), (2951, 69804), (3178, 64818), (3276, 62879), (3324, 61971), (3601, 57204), (3878, 53118), (4086, 50414), (4767, 43212), (4986, 41314), (5817, 35412), (5902, 34902), (6356, 32409), (7202, 28602), (7756, 26559), (8172, 25207), (8853, 23268), (9534, 21606), (9972, 20657), (10803, 19068), (11634, 17706), (11804, 17451), (14301, 14404)]