208537637

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2081

約数の個数: 32

約数和(自身を含む): 274821120

約数和(自身を除く): 66283483

約数列:

[1, 7, 11, 29, 47, 77, 203, 319, 329, 517, 1363, 1987, 2233, 3619, 9541, 13909, 14993, 21857, 57623, 93389, 104951, 152999, 403361, 633853, 653723, 1027279, 2708281, 4436971, 7190953, 18957967, 29791091, 208537637]

約数ペア:

[(1, 208537637), (7, 29791091), (11, 18957967), (29, 7190953), (47, 4436971), (77, 2708281), (203, 1027279), (319, 653723), (329, 633853), (517, 403361), (1363, 152999), (1987, 104951), (2233, 93389), (3619, 57623), (9541, 21857), (13909, 14993)]