778852256

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2011}}^1$

素因数の和:2067

約数の個数: 144

約数和(自身を含む): 2023025760

約数和(自身を除く): 1244173504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 49, 52, 56, 76, 91, 98, 104, 112, 133, 152, 182, 196, 208, 224, 247, 266, 304, 364, 392, 416, 494, 532, 608, 637, 728, 784, 931, 988, 1064, 1274, 1456, 1568, 1729, 1862, 1976, 2011, 2128, 2548, 2912, 3458, 3724, 3952, 4022, 4256, 5096, 6916, 7448, 7904, 8044, 10192, 12103, 13832, 14077, 14896, 16088, 20384, 24206, 26143, 27664, 28154, 29792, 32176, 38209, 48412, 52286, 55328, 56308, 64352, 76418, 96824, 98539, 104572, 112616, 152836, 183001, 193648, 197078, 209144, 225232, 267463, 305672, 366002, 387296, 394156, 418288, 450464, 496717, 534926, 611344, 732004, 788312, 836576, 993434, 1069852, 1222688, 1281007, 1464008, 1576624, 1872241, 1986868, 2139704, 2562014, 2928016, 3153248, 3477019, 3744482, 3973736, 4279408, 5124028, 5856032, 6954038, 7488964, 7947472, 8558816, 10248056, 13908076, 14977928, 15894944, 20496112, 24339133, 27816152, 29955856, 40992224, 48678266, 55632304, 59911712, 97356532, 111264608, 194713064, 389426128, 778852256]

約数ペア:

[(1, 778852256), (2, 389426128), (4, 194713064), (7, 111264608), (8, 97356532), (13, 59911712), (14, 55632304), (16, 48678266), (19, 40992224), (26, 29955856), (28, 27816152), (32, 24339133), (38, 20496112), (49, 15894944), (52, 14977928), (56, 13908076), (76, 10248056), (91, 8558816), (98, 7947472), (104, 7488964), (112, 6954038), (133, 5856032), (152, 5124028), (182, 4279408), (196, 3973736), (208, 3744482), (224, 3477019), (247, 3153248), (266, 2928016), (304, 2562014), (364, 2139704), (392, 1986868), (416, 1872241), (494, 1576624), (532, 1464008), (608, 1281007), (637, 1222688), (728, 1069852), (784, 993434), (931, 836576), (988, 788312), (1064, 732004), (1274, 611344), (1456, 534926), (1568, 496717), (1729, 450464), (1862, 418288), (1976, 394156), (2011, 387296), (2128, 366002), (2548, 305672), (2912, 267463), (3458, 225232), (3724, 209144), (3952, 197078), (4022, 193648), (4256, 183001), (5096, 152836), (6916, 112616), (7448, 104572), (7904, 98539), (8044, 96824), (10192, 76418), (12103, 64352), (13832, 56308), (14077, 55328), (14896, 52286), (16088, 48412), (20384, 38209), (24206, 32176), (26143, 29792), (27664, 28154)]