181231512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:657

約数の個数: 128

約数和(自身を含む): 568512000

約数和(自身を除く): 387280488

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 281, 308, 349, 462, 562, 616, 698, 843, 924, 1047, 1124, 1396, 1686, 1848, 1967, 2094, 2248, 2443, 2792, 3091, 3372, 3839, 3934, 4188, 4886, 5901, 6182, 6744, 7329, 7678, 7868, 8376, 9273, 9772, 11517, 11802, 12364, 14658, 15356, 15736, 18546, 19544, 21637, 23034, 23604, 24728, 26873, 29316, 30712, 37092, 43274, 46068, 47208, 53746, 58632, 64911, 74184, 80619, 86548, 92136, 98069, 107492, 129822, 161238, 173096, 196138, 214984, 259644, 294207, 322476, 392276, 519288, 588414, 644952, 686483, 784552, 1078759, 1176828, 1372966, 2059449, 2157518, 2353656, 2745932, 3236277, 4118898, 4315036, 5491864, 6472554, 7551313, 8237796, 8630072, 12945108, 15102626, 16475592, 22653939, 25890216, 30205252, 45307878, 60410504, 90615756, 181231512]

約数ペア:

[(1, 181231512), (2, 90615756), (3, 60410504), (4, 45307878), (6, 30205252), (7, 25890216), (8, 22653939), (11, 16475592), (12, 15102626), (14, 12945108), (21, 8630072), (22, 8237796), (24, 7551313), (28, 6472554), (33, 5491864), (42, 4315036), (44, 4118898), (56, 3236277), (66, 2745932), (77, 2353656), (84, 2157518), (88, 2059449), (132, 1372966), (154, 1176828), (168, 1078759), (231, 784552), (264, 686483), (281, 644952), (308, 588414), (349, 519288), (462, 392276), (562, 322476), (616, 294207), (698, 259644), (843, 214984), (924, 196138), (1047, 173096), (1124, 161238), (1396, 129822), (1686, 107492), (1848, 98069), (1967, 92136), (2094, 86548), (2248, 80619), (2443, 74184), (2792, 64911), (3091, 58632), (3372, 53746), (3839, 47208), (3934, 46068), (4188, 43274), (4886, 37092), (5901, 30712), (6182, 29316), (6744, 26873), (7329, 24728), (7678, 23604), (7868, 23034), (8376, 21637), (9273, 19544), (9772, 18546), (11517, 15736), (11802, 15356), (12364, 14658)]