28642295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 39315456

約数和(自身を除く): 10673161

約数列:

[1, 5, 11, 31, 55, 107, 155, 157, 341, 535, 785, 1177, 1705, 1727, 3317, 4867, 5885, 8635, 16585, 16799, 24335, 36487, 53537, 83995, 182435, 184789, 267685, 520769, 923945, 2603845, 5728459, 28642295]

約数ペア:

[(1, 28642295), (5, 5728459), (11, 2603845), (31, 923945), (55, 520769), (107, 267685), (155, 184789), (157, 182435), (341, 83995), (535, 53537), (785, 36487), (1177, 24335), (1705, 16799), (1727, 16585), (3317, 8635), (4867, 5885)]