643967784

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{197}}^1\times {\mathrm{547}}^1$

素因数の和:839

約数の個数: 96

約数和(自身を含む): 1777295520

約数和(自身を除く): 1133327736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 197, 249, 332, 394, 498, 547, 591, 664, 747, 788, 996, 1094, 1182, 1494, 1576, 1641, 1773, 1992, 2188, 2364, 2988, 3282, 3546, 4376, 4728, 4923, 5976, 6564, 7092, 9846, 13128, 14184, 16351, 19692, 32702, 39384, 45401, 49053, 65404, 90802, 98106, 107759, 130808, 136203, 147159, 181604, 196212, 215518, 272406, 294318, 323277, 363208, 392424, 408609, 431036, 544812, 588636, 646554, 817218, 862072, 969831, 1089624, 1177272, 1293108, 1634436, 1939662, 2586216, 3268872, 3879324, 7758648, 8943997, 17887994, 26831991, 35775988, 53663982, 71551976, 80495973, 107327964, 160991946, 214655928, 321983892, 643967784]

約数ペア:

[(1, 643967784), (2, 321983892), (3, 214655928), (4, 160991946), (6, 107327964), (8, 80495973), (9, 71551976), (12, 53663982), (18, 35775988), (24, 26831991), (36, 17887994), (72, 8943997), (83, 7758648), (166, 3879324), (197, 3268872), (249, 2586216), (332, 1939662), (394, 1634436), (498, 1293108), (547, 1177272), (591, 1089624), (664, 969831), (747, 862072), (788, 817218), (996, 646554), (1094, 588636), (1182, 544812), (1494, 431036), (1576, 408609), (1641, 392424), (1773, 363208), (1992, 323277), (2188, 294318), (2364, 272406), (2988, 215518), (3282, 196212), (3546, 181604), (4376, 147159), (4728, 136203), (4923, 130808), (5976, 107759), (6564, 98106), (7092, 90802), (9846, 65404), (13128, 49053), (14184, 45401), (16351, 39384), (19692, 32702)]