81487744

素因数分解:

$2^7\times {\mathrm{13}}^2\times {\mathrm{3767}}^1$

素因数の和:3807

約数の個数: 48

約数和(自身を含む): 175833720

約数和(自身を除く): 94345976

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 338, 416, 676, 832, 1352, 1664, 2704, 3767, 5408, 7534, 10816, 15068, 21632, 30136, 48971, 60272, 97942, 120544, 195884, 241088, 391768, 482176, 636623, 783536, 1273246, 1567072, 2546492, 3134144, 5092984, 6268288, 10185968, 20371936, 40743872, 81487744]

約数ペア:

[(1, 81487744), (2, 40743872), (4, 20371936), (8, 10185968), (13, 6268288), (16, 5092984), (26, 3134144), (32, 2546492), (52, 1567072), (64, 1273246), (104, 783536), (128, 636623), (169, 482176), (208, 391768), (338, 241088), (416, 195884), (676, 120544), (832, 97942), (1352, 60272), (1664, 48971), (2704, 30136), (3767, 21632), (5408, 15068), (7534, 10816)]