291220072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 644515200

約数和(自身を除く): 353295128

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 277, 286, 554, 572, 919, 1108, 1144, 1838, 2216, 3047, 3601, 3676, 6094, 7202, 7352, 10109, 11947, 12188, 14404, 20218, 23894, 24376, 28808, 39611, 40436, 47788, 79222, 80872, 95576, 131417, 158444, 254563, 262834, 316888, 509126, 525668, 1018252, 1051336, 2036504, 2800193, 3309319, 5600386, 6618638, 11200772, 13237276, 22401544, 26474552, 36402509, 72805018, 145610036, 291220072]

約数ペア:

[(1, 291220072), (2, 145610036), (4, 72805018), (8, 36402509), (11, 26474552), (13, 22401544), (22, 13237276), (26, 11200772), (44, 6618638), (52, 5600386), (88, 3309319), (104, 2800193), (143, 2036504), (277, 1051336), (286, 1018252), (554, 525668), (572, 509126), (919, 316888), (1108, 262834), (1144, 254563), (1838, 158444), (2216, 131417), (3047, 95576), (3601, 80872), (3676, 79222), (6094, 47788), (7202, 40436), (7352, 39611), (10109, 28808), (11947, 24376), (12188, 23894), (14404, 20218)]