15936128

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 34971720

約数和(自身を除く): 19035592

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 157, 208, 244, 314, 416, 488, 628, 793, 832, 976, 1256, 1586, 1664, 1952, 2041, 2512, 3172, 3904, 4082, 5024, 6344, 7808, 8164, 9577, 10048, 12688, 16328, 19154, 20096, 25376, 32656, 38308, 50752, 65312, 76616, 101504, 124501, 130624, 153232, 249002, 261248, 306464, 498004, 612928, 996008, 1225856, 1992016, 3984032, 7968064, 15936128]

約数ペア:

[(1, 15936128), (2, 7968064), (4, 3984032), (8, 1992016), (13, 1225856), (16, 996008), (26, 612928), (32, 498004), (52, 306464), (61, 261248), (64, 249002), (104, 153232), (122, 130624), (128, 124501), (157, 101504), (208, 76616), (244, 65312), (314, 50752), (416, 38308), (488, 32656), (628, 25376), (793, 20096), (832, 19154), (976, 16328), (1256, 12688), (1586, 10048), (1664, 9577), (1952, 8164), (2041, 7808), (2512, 6344), (3172, 5024), (3904, 4082)]