31708288

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:237

約数の個数: 64

約数和(自身を含む): 66781440

約数和(自身を除く): 35073152

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 128, 131, 244, 248, 262, 488, 496, 524, 976, 992, 1048, 1891, 1952, 1984, 2096, 3782, 3904, 3968, 4061, 4192, 7564, 7808, 7991, 8122, 8384, 15128, 15982, 16244, 16768, 30256, 31964, 32488, 60512, 63928, 64976, 121024, 127856, 129952, 242048, 247721, 255712, 259904, 495442, 511424, 519808, 990884, 1022848, 1981768, 3963536, 7927072, 15854144, 31708288]

約数ペア:

[(1, 31708288), (2, 15854144), (4, 7927072), (8, 3963536), (16, 1981768), (31, 1022848), (32, 990884), (61, 519808), (62, 511424), (64, 495442), (122, 259904), (124, 255712), (128, 247721), (131, 242048), (244, 129952), (248, 127856), (262, 121024), (488, 64976), (496, 63928), (524, 60512), (976, 32488), (992, 31964), (1048, 30256), (1891, 16768), (1952, 16244), (1984, 15982), (2096, 15128), (3782, 8384), (3904, 8122), (3968, 7991), (4061, 7808), (4192, 7564)]