1398672128

素因数分解:

$2^8\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3037}}^1$

素因数の和:3317

約数の個数: 72

約数和(自身を含む): 3204190752

約数和(自身を除く): 1805518624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 257, 448, 514, 896, 1028, 1792, 1799, 2056, 3037, 3598, 4112, 6074, 7196, 8224, 12148, 14392, 16448, 21259, 24296, 28784, 32896, 42518, 48592, 57568, 65792, 85036, 97184, 115136, 170072, 194368, 230272, 340144, 388736, 460544, 680288, 777472, 780509, 1360576, 1561018, 2721152, 3122036, 5442304, 5463563, 6244072, 10927126, 12488144, 21854252, 24976288, 43708504, 49952576, 87417008, 99905152, 174834016, 199810304, 349668032, 699336064, 1398672128]

約数ペア:

[(1, 1398672128), (2, 699336064), (4, 349668032), (7, 199810304), (8, 174834016), (14, 99905152), (16, 87417008), (28, 49952576), (32, 43708504), (56, 24976288), (64, 21854252), (112, 12488144), (128, 10927126), (224, 6244072), (256, 5463563), (257, 5442304), (448, 3122036), (514, 2721152), (896, 1561018), (1028, 1360576), (1792, 780509), (1799, 777472), (2056, 680288), (3037, 460544), (3598, 388736), (4112, 340144), (6074, 230272), (7196, 194368), (8224, 170072), (12148, 115136), (14392, 97184), (16448, 85036), (21259, 65792), (24296, 57568), (28784, 48592), (32896, 42518)]