31519904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4457}}^1$

素因数の和:4497

約数の個数: 48

約数和(自身を含む): 70775208

約数和(自身を除く): 39255304

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 68, 104, 136, 208, 221, 272, 416, 442, 544, 884, 1768, 3536, 4457, 7072, 8914, 17828, 35656, 57941, 71312, 75769, 115882, 142624, 151538, 231764, 303076, 463528, 606152, 927056, 984997, 1212304, 1854112, 1969994, 2424608, 3939988, 7879976, 15759952, 31519904]

約数ペア:

[(1, 31519904), (2, 15759952), (4, 7879976), (8, 3939988), (13, 2424608), (16, 1969994), (17, 1854112), (26, 1212304), (32, 984997), (34, 927056), (52, 606152), (68, 463528), (104, 303076), (136, 231764), (208, 151538), (221, 142624), (272, 115882), (416, 75769), (442, 71312), (544, 57941), (884, 35656), (1768, 17828), (3536, 8914), (4457, 7072)]