81177616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{1019}}^1$

素因数の和:1423

約数の個数: 40

約数和(自身を含む): 169989120

約数和(自身を除く): 88811504

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 383, 766, 1019, 1532, 2038, 3064, 4076, 4979, 6128, 8152, 9958, 13247, 16304, 19916, 26494, 39832, 52988, 79664, 105976, 211952, 390277, 780554, 1561108, 3122216, 5073601, 6244432, 10147202, 20294404, 40588808, 81177616]

約数ペア:

[(1, 81177616), (2, 40588808), (4, 20294404), (8, 10147202), (13, 6244432), (16, 5073601), (26, 3122216), (52, 1561108), (104, 780554), (208, 390277), (383, 211952), (766, 105976), (1019, 79664), (1532, 52988), (2038, 39832), (3064, 26494), (4076, 19916), (4979, 16304), (6128, 13247), (8152, 9958)]