638549904

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:309

約数の個数: 120

約数和(自身を含む): 1733698560

約数和(自身を除く): 1095148656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 109, 124, 127, 186, 218, 248, 254, 327, 372, 381, 436, 496, 508, 654, 744, 762, 872, 961, 1016, 1308, 1488, 1524, 1744, 1922, 2032, 2616, 2883, 3048, 3379, 3844, 3937, 5232, 5766, 6096, 6758, 7688, 7874, 10137, 11532, 11811, 13516, 13843, 15376, 15748, 20274, 23064, 23622, 27032, 27686, 31496, 40548, 41529, 46128, 47244, 54064, 55372, 62992, 81096, 83058, 94488, 104749, 110744, 122047, 162192, 166116, 188976, 209498, 221488, 244094, 314247, 332232, 366141, 418996, 429133, 488188, 628494, 664464, 732282, 837992, 858266, 976376, 1256988, 1287399, 1464564, 1675984, 1716532, 1952752, 2513976, 2574798, 2929128, 3433064, 5027952, 5149596, 5858256, 6866128, 10299192, 13303123, 20598384, 26606246, 39909369, 53212492, 79818738, 106424984, 159637476, 212849968, 319274952, 638549904]

約数ペア:

[(1, 638549904), (2, 319274952), (3, 212849968), (4, 159637476), (6, 106424984), (8, 79818738), (12, 53212492), (16, 39909369), (24, 26606246), (31, 20598384), (48, 13303123), (62, 10299192), (93, 6866128), (109, 5858256), (124, 5149596), (127, 5027952), (186, 3433064), (218, 2929128), (248, 2574798), (254, 2513976), (327, 1952752), (372, 1716532), (381, 1675984), (436, 1464564), (496, 1287399), (508, 1256988), (654, 976376), (744, 858266), (762, 837992), (872, 732282), (961, 664464), (1016, 628494), (1308, 488188), (1488, 429133), (1524, 418996), (1744, 366141), (1922, 332232), (2032, 314247), (2616, 244094), (2883, 221488), (3048, 209498), (3379, 188976), (3844, 166116), (3937, 162192), (5232, 122047), (5766, 110744), (6096, 104749), (6758, 94488), (7688, 83058), (7874, 81096), (10137, 62992), (11532, 55372), (11811, 54064), (13516, 47244), (13843, 46128), (15376, 41529), (15748, 40548), (20274, 31496), (23064, 27686), (23622, 27032)]