251806048

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{9923}}^1$

素因数の和:10007

約数の個数: 48

約数和(自身を含む): 542684016

約数和(自身を除く): 290877968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 3172, 6344, 9923, 12688, 19846, 25376, 39692, 79384, 128999, 158768, 257998, 317536, 515996, 605303, 1031992, 1210606, 2063984, 2421212, 4127968, 4842424, 7868939, 9684848, 15737878, 19369696, 31475756, 62951512, 125903024, 251806048]

約数ペア:

[(1, 251806048), (2, 125903024), (4, 62951512), (8, 31475756), (13, 19369696), (16, 15737878), (26, 9684848), (32, 7868939), (52, 4842424), (61, 4127968), (104, 2421212), (122, 2063984), (208, 1210606), (244, 1031992), (416, 605303), (488, 515996), (793, 317536), (976, 257998), (1586, 158768), (1952, 128999), (3172, 79384), (6344, 39692), (9923, 25376), (12688, 19846)]