1999861773

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1718

約数の個数: 64

約数和(自身を含む): 3383493120

約数和(自身を除く): 1383631347

約数列:

[1, 3, 7, 13, 21, 39, 53, 89, 91, 159, 267, 273, 371, 623, 689, 1113, 1157, 1553, 1869, 2067, 3471, 4659, 4717, 4823, 8099, 10871, 14151, 14469, 20189, 24297, 32613, 33019, 60567, 61321, 82309, 99057, 138217, 141323, 183963, 246927, 414651, 423969, 429247, 576163, 967519, 1070017, 1287741, 1728489, 1796821, 2902557, 3210051, 5390463, 7325501, 7490119, 12577747, 21976503, 22470357, 37733241, 51278507, 95231513, 153835521, 285694539, 666620591, 1999861773]

約数ペア:

[(1, 1999861773), (3, 666620591), (7, 285694539), (13, 153835521), (21, 95231513), (39, 51278507), (53, 37733241), (89, 22470357), (91, 21976503), (159, 12577747), (267, 7490119), (273, 7325501), (371, 5390463), (623, 3210051), (689, 2902557), (1113, 1796821), (1157, 1728489), (1553, 1287741), (1869, 1070017), (2067, 967519), (3471, 576163), (4659, 429247), (4717, 423969), (4823, 414651), (8099, 246927), (10871, 183963), (14151, 141323), (14469, 138217), (20189, 99057), (24297, 82309), (32613, 61321), (33019, 60567)]