389426128

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2065

約数の個数: 120

約数和(自身を含む): 995457120

約数和(自身を除く): 606030992

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 247, 266, 304, 364, 392, 494, 532, 637, 728, 784, 931, 988, 1064, 1274, 1456, 1729, 1862, 1976, 2011, 2128, 2548, 3458, 3724, 3952, 4022, 5096, 6916, 7448, 8044, 10192, 12103, 13832, 14077, 14896, 16088, 24206, 26143, 27664, 28154, 32176, 38209, 48412, 52286, 56308, 76418, 96824, 98539, 104572, 112616, 152836, 183001, 193648, 197078, 209144, 225232, 267463, 305672, 366002, 394156, 418288, 496717, 534926, 611344, 732004, 788312, 993434, 1069852, 1281007, 1464008, 1576624, 1872241, 1986868, 2139704, 2562014, 2928016, 3477019, 3744482, 3973736, 4279408, 5124028, 6954038, 7488964, 7947472, 10248056, 13908076, 14977928, 20496112, 24339133, 27816152, 29955856, 48678266, 55632304, 97356532, 194713064, 389426128]

約数ペア:

[(1, 389426128), (2, 194713064), (4, 97356532), (7, 55632304), (8, 48678266), (13, 29955856), (14, 27816152), (16, 24339133), (19, 20496112), (26, 14977928), (28, 13908076), (38, 10248056), (49, 7947472), (52, 7488964), (56, 6954038), (76, 5124028), (91, 4279408), (98, 3973736), (104, 3744482), (112, 3477019), (133, 2928016), (152, 2562014), (182, 2139704), (196, 1986868), (208, 1872241), (247, 1576624), (266, 1464008), (304, 1281007), (364, 1069852), (392, 993434), (494, 788312), (532, 732004), (637, 611344), (728, 534926), (784, 496717), (931, 418288), (988, 394156), (1064, 366002), (1274, 305672), (1456, 267463), (1729, 225232), (1862, 209144), (1976, 197078), (2011, 193648), (2128, 183001), (2548, 152836), (3458, 112616), (3724, 104572), (3952, 98539), (4022, 96824), (5096, 76418), (6916, 56308), (7448, 52286), (8044, 48412), (10192, 38209), (12103, 32176), (13832, 28154), (14077, 27664), (14896, 26143), (16088, 24206)]