28273231

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:199

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 7208369

約数列:

[1, 7, 29, 41, 43, 79, 203, 287, 301, 553, 1189, 1247, 1763, 2291, 3239, 3397, 8323, 8729, 12341, 16037, 22673, 23779, 51127, 93931, 98513, 139277, 357889, 657517, 689591, 974939, 4039033, 28273231]

約数ペア:

[(1, 28273231), (7, 4039033), (29, 974939), (41, 689591), (43, 657517), (79, 357889), (203, 139277), (287, 98513), (301, 93931), (553, 51127), (1189, 23779), (1247, 22673), (1763, 16037), (2291, 12341), (3239, 8729), (3397, 8323)]