51511145

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 74995200

約数和(自身を除く): 23484055

約数列:

[1, 5, 7, 23, 35, 61, 115, 161, 305, 427, 805, 1049, 1403, 2135, 5245, 7015, 7343, 9821, 24127, 36715, 49105, 63989, 120635, 168889, 319945, 447923, 844445, 1471747, 2239615, 7358735, 10302229, 51511145]

約数ペア:

[(1, 51511145), (5, 10302229), (7, 7358735), (23, 2239615), (35, 1471747), (61, 844445), (115, 447923), (161, 319945), (305, 168889), (427, 120635), (805, 63989), (1049, 49105), (1403, 36715), (2135, 24127), (5245, 9821), (7015, 7343)]