28440065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 37791360

約数和(自身を除く): 9351295

約数列:

[1, 5, 17, 53, 59, 85, 107, 265, 295, 535, 901, 1003, 1819, 3127, 4505, 5015, 5671, 6313, 9095, 15635, 28355, 31565, 53159, 96407, 107321, 265795, 334589, 482035, 536605, 1672945, 5688013, 28440065]

約数ペア:

[(1, 28440065), (5, 5688013), (17, 1672945), (53, 536605), (59, 482035), (85, 334589), (107, 265795), (265, 107321), (295, 96407), (535, 53159), (901, 31565), (1003, 28355), (1819, 15635), (3127, 9095), (4505, 6313), (5015, 5671)]