15665728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{991}}^1$

素因数の和:1035

約数の個数: 56

約数和(自身を含む): 35275520

約数和(自身を除く): 19609792

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 991, 1216, 1976, 1982, 3952, 3964, 7904, 7928, 12883, 15808, 15856, 18829, 25766, 31712, 37658, 51532, 63424, 75316, 103064, 150632, 206128, 244777, 301264, 412256, 489554, 602528, 824512, 979108, 1205056, 1958216, 3916432, 7832864, 15665728]

約数ペア:

[(1, 15665728), (2, 7832864), (4, 3916432), (8, 1958216), (13, 1205056), (16, 979108), (19, 824512), (26, 602528), (32, 489554), (38, 412256), (52, 301264), (64, 244777), (76, 206128), (104, 150632), (152, 103064), (208, 75316), (247, 63424), (304, 51532), (416, 37658), (494, 31712), (608, 25766), (832, 18829), (988, 15856), (991, 15808), (1216, 12883), (1976, 7928), (1982, 7904), (3952, 3964)]