689999968

素因数分解:

$2^5\times 7^2\times {\mathrm{431}}^1\times {\mathrm{1021}}^1$

素因数の和:1476

約数の個数: 72

約数和(自身を含む): 1585440864

約数和(自身を除く): 895440896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 431, 784, 862, 1021, 1568, 1724, 2042, 3017, 3448, 4084, 6034, 6896, 7147, 8168, 12068, 13792, 14294, 16336, 21119, 24136, 28588, 32672, 42238, 48272, 50029, 57176, 84476, 96544, 100058, 114352, 168952, 200116, 228704, 337904, 400232, 440051, 675808, 800464, 880102, 1600928, 1760204, 3080357, 3520408, 6160714, 7040816, 12321428, 14081632, 21562499, 24642856, 43124998, 49285712, 86249996, 98571424, 172499992, 344999984, 689999968]

約数ペア:

[(1, 689999968), (2, 344999984), (4, 172499992), (7, 98571424), (8, 86249996), (14, 49285712), (16, 43124998), (28, 24642856), (32, 21562499), (49, 14081632), (56, 12321428), (98, 7040816), (112, 6160714), (196, 3520408), (224, 3080357), (392, 1760204), (431, 1600928), (784, 880102), (862, 800464), (1021, 675808), (1568, 440051), (1724, 400232), (2042, 337904), (3017, 228704), (3448, 200116), (4084, 168952), (6034, 114352), (6896, 100058), (7147, 96544), (8168, 84476), (12068, 57176), (13792, 50029), (14294, 48272), (16336, 42238), (21119, 32672), (24136, 28588)]