31154778

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 72

約数和(自身を含む): 73705788

約数和(自身を除く): 42551010

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 53, 102, 106, 113, 153, 159, 226, 289, 306, 318, 339, 477, 578, 678, 867, 901, 954, 1017, 1734, 1802, 1921, 2034, 2601, 2703, 3842, 5202, 5406, 5763, 5989, 8109, 11526, 11978, 15317, 16218, 17289, 17967, 30634, 32657, 34578, 35934, 45951, 53901, 65314, 91902, 97971, 101813, 107802, 137853, 195942, 203626, 275706, 293913, 305439, 587826, 610878, 916317, 1730821, 1832634, 3461642, 5192463, 10384926, 15577389, 31154778]

約数ペア:

[(1, 31154778), (2, 15577389), (3, 10384926), (6, 5192463), (9, 3461642), (17, 1832634), (18, 1730821), (34, 916317), (51, 610878), (53, 587826), (102, 305439), (106, 293913), (113, 275706), (153, 203626), (159, 195942), (226, 137853), (289, 107802), (306, 101813), (318, 97971), (339, 91902), (477, 65314), (578, 53901), (678, 45951), (867, 35934), (901, 34578), (954, 32657), (1017, 30634), (1734, 17967), (1802, 17289), (1921, 16218), (2034, 15317), (2601, 11978), (2703, 11526), (3842, 8109), (5202, 5989), (5406, 5763)]