169908055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 218308608

約数和(自身を除く): 48400553

約数列:

[1, 5, 31, 47, 83, 155, 235, 281, 415, 1405, 1457, 2573, 3901, 7285, 8711, 12865, 13207, 19505, 23323, 43555, 66035, 116615, 120931, 409417, 604655, 723013, 1096181, 2047085, 3615065, 5480905, 33981611, 169908055]

約数ペア:

[(1, 169908055), (5, 33981611), (31, 5480905), (47, 3615065), (83, 2047085), (155, 1096181), (235, 723013), (281, 604655), (415, 409417), (1405, 120931), (1457, 116615), (2573, 66035), (3901, 43555), (7285, 23323), (8711, 19505), (12865, 13207)]