669377968

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{21269}}^1$

素因数の和:21565

約数の個数: 40

約数和(自身を含む): 1487538720

約数和(自身を除く): 818160752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 1124, 1967, 2248, 3934, 4496, 7868, 15736, 21269, 31472, 42538, 85076, 148883, 170152, 297766, 340304, 595532, 1191064, 2382128, 5976589, 11953178, 23906356, 41836123, 47812712, 83672246, 95625424, 167344492, 334688984, 669377968]

約数ペア:

[(1, 669377968), (2, 334688984), (4, 167344492), (7, 95625424), (8, 83672246), (14, 47812712), (16, 41836123), (28, 23906356), (56, 11953178), (112, 5976589), (281, 2382128), (562, 1191064), (1124, 595532), (1967, 340304), (2248, 297766), (3934, 170152), (4496, 148883), (7868, 85076), (15736, 42538), (21269, 31472)]