81941272

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 185172480

約数和(自身を除く): 103231208

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 113, 161, 184, 226, 322, 452, 563, 644, 791, 904, 1126, 1288, 1582, 2252, 2599, 3164, 3941, 4504, 5198, 6328, 7882, 10396, 12949, 15764, 18193, 20792, 25898, 31528, 36386, 51796, 63619, 72772, 90643, 103592, 127238, 145544, 181286, 254476, 362572, 445333, 508952, 725144, 890666, 1463237, 1781332, 2926474, 3562664, 5852948, 10242659, 11705896, 20485318, 40970636, 81941272]

約数ペア:

[(1, 81941272), (2, 40970636), (4, 20485318), (7, 11705896), (8, 10242659), (14, 5852948), (23, 3562664), (28, 2926474), (46, 1781332), (56, 1463237), (92, 890666), (113, 725144), (161, 508952), (184, 445333), (226, 362572), (322, 254476), (452, 181286), (563, 145544), (644, 127238), (791, 103592), (904, 90643), (1126, 72772), (1288, 63619), (1582, 51796), (2252, 36386), (2599, 31528), (3164, 25898), (3941, 20792), (4504, 18193), (5198, 15764), (6328, 12949), (7882, 10396)]