638402076

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{467}}^1$

素因数の和:640

約数の個数: 144

約数和(自身を含む): 1831624704

約数和(自身を除く): 1193222628

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 127, 138, 156, 207, 234, 254, 276, 299, 381, 414, 467, 468, 508, 598, 762, 828, 897, 934, 1143, 1196, 1401, 1524, 1651, 1794, 1868, 2286, 2691, 2802, 2921, 3302, 3588, 4203, 4572, 4953, 5382, 5604, 5842, 6071, 6604, 8406, 8763, 9906, 10741, 10764, 11684, 12142, 14859, 16812, 17526, 18213, 19812, 21482, 24284, 26289, 29718, 32223, 35052, 36426, 37973, 42964, 52578, 54639, 59309, 59436, 64446, 72852, 75946, 96669, 105156, 109278, 113919, 118618, 128892, 139633, 151892, 177927, 193338, 218556, 227838, 237236, 279266, 341757, 355854, 386676, 418899, 455676, 533781, 558532, 683514, 711708, 771017, 837798, 1067562, 1256697, 1364107, 1367028, 1542034, 1675596, 2135124, 2313051, 2513394, 2728214, 3084068, 4092321, 4626102, 5026788, 5456428, 6939153, 8184642, 9252204, 12276963, 13878306, 16369284, 17733391, 24553926, 27756612, 35466782, 49107852, 53200173, 70933564, 106400346, 159600519, 212800692, 319201038, 638402076]

約数ペア:

[(1, 638402076), (2, 319201038), (3, 212800692), (4, 159600519), (6, 106400346), (9, 70933564), (12, 53200173), (13, 49107852), (18, 35466782), (23, 27756612), (26, 24553926), (36, 17733391), (39, 16369284), (46, 13878306), (52, 12276963), (69, 9252204), (78, 8184642), (92, 6939153), (117, 5456428), (127, 5026788), (138, 4626102), (156, 4092321), (207, 3084068), (234, 2728214), (254, 2513394), (276, 2313051), (299, 2135124), (381, 1675596), (414, 1542034), (467, 1367028), (468, 1364107), (508, 1256697), (598, 1067562), (762, 837798), (828, 771017), (897, 711708), (934, 683514), (1143, 558532), (1196, 533781), (1401, 455676), (1524, 418899), (1651, 386676), (1794, 355854), (1868, 341757), (2286, 279266), (2691, 237236), (2802, 227838), (2921, 218556), (3302, 193338), (3588, 177927), (4203, 151892), (4572, 139633), (4953, 128892), (5382, 118618), (5604, 113919), (5842, 109278), (6071, 105156), (6604, 96669), (8406, 75946), (8763, 72852), (9906, 64446), (10741, 59436), (10764, 59309), (11684, 54639), (12142, 52578), (14859, 42964), (16812, 37973), (17526, 36426), (18213, 35052), (19812, 32223), (21482, 29718), (24284, 26289)]