208581688

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{128437}}^1$

素因数の和:128479

約数の個数: 32

約数和(自身を含む): 462376800

約数和(自身を除く): 253795112

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 116, 203, 232, 406, 812, 1624, 128437, 256874, 513748, 899059, 1027496, 1798118, 3596236, 3724673, 7192472, 7449346, 14898692, 26072711, 29797384, 52145422, 104290844, 208581688]

約数ペア:

[(1, 208581688), (2, 104290844), (4, 52145422), (7, 29797384), (8, 26072711), (14, 14898692), (28, 7449346), (29, 7192472), (56, 3724673), (58, 3596236), (116, 1798118), (203, 1027496), (232, 899059), (406, 513748), (812, 256874), (1624, 128437)]