988902232

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 1964160000

約数和(自身を除く): 975257768

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 131, 244, 248, 262, 488, 499, 524, 998, 1048, 1891, 1996, 3782, 3992, 4061, 7564, 7991, 8122, 15128, 15469, 15982, 16244, 30439, 30938, 31964, 32488, 60878, 61876, 63928, 65369, 121756, 123752, 130738, 243512, 247721, 261476, 495442, 522952, 943609, 990884, 1887218, 1981768, 2026439, 3774436, 3987509, 4052878, 7548872, 7975018, 8105756, 15950036, 16211512, 31900072, 123612779, 247225558, 494451116, 988902232]

約数ペア:

[(1, 988902232), (2, 494451116), (4, 247225558), (8, 123612779), (31, 31900072), (61, 16211512), (62, 15950036), (122, 8105756), (124, 7975018), (131, 7548872), (244, 4052878), (248, 3987509), (262, 3774436), (488, 2026439), (499, 1981768), (524, 1887218), (998, 990884), (1048, 943609), (1891, 522952), (1996, 495442), (3782, 261476), (3992, 247721), (4061, 243512), (7564, 130738), (7991, 123752), (8122, 121756), (15128, 65369), (15469, 63928), (15982, 61876), (16244, 60878), (30439, 32488), (30938, 31964)]