1640672295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 2847882240

約数和(自身を除く): 1207209945

約数列:

[1, 3, 5, 15, 17, 51, 59, 85, 167, 177, 255, 295, 501, 653, 835, 885, 1003, 1959, 2505, 2839, 3009, 3265, 5015, 8517, 9795, 9853, 11101, 14195, 15045, 29559, 33303, 38527, 42585, 49265, 55505, 109051, 115581, 147795, 166515, 167501, 192635, 327153, 502503, 545255, 577905, 654959, 837505, 1635765, 1853867, 1964877, 2512515, 3274795, 5561601, 6434009, 9269335, 9824385, 19302027, 27808005, 32170045, 96510135, 109378153, 328134459, 546890765, 1640672295]

約数ペア:

[(1, 1640672295), (3, 546890765), (5, 328134459), (15, 109378153), (17, 96510135), (51, 32170045), (59, 27808005), (85, 19302027), (167, 9824385), (177, 9269335), (255, 6434009), (295, 5561601), (501, 3274795), (653, 2512515), (835, 1964877), (885, 1853867), (1003, 1635765), (1959, 837505), (2505, 654959), (2839, 577905), (3009, 545255), (3265, 502503), (5015, 327153), (8517, 192635), (9795, 167501), (9853, 166515), (11101, 147795), (14195, 115581), (15045, 109051), (29559, 55505), (33303, 49265), (38527, 42585)]