1566998885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{2131}}^1$

素因数の和:2405

約数の個数: 32

約数和(自身を含む): 2050199424

約数和(自身を除く): 483200539

約数列:

[1, 5, 17, 41, 85, 205, 211, 697, 1055, 2131, 3485, 3587, 8651, 10655, 17935, 36227, 43255, 87371, 147067, 181135, 436855, 449641, 735335, 1485307, 2248205, 7426535, 7643897, 18435281, 38219485, 92176405, 313399777, 1566998885]

約数ペア:

[(1, 1566998885), (5, 313399777), (17, 92176405), (41, 38219485), (85, 18435281), (205, 7643897), (211, 7426535), (697, 2248205), (1055, 1485307), (2131, 735335), (3485, 449641), (3587, 436855), (8651, 181135), (10655, 147067), (17935, 87371), (36227, 43255)]