27798904

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 63037440

約数和(自身を除く): 35238536

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 113, 161, 184, 191, 226, 322, 382, 452, 644, 764, 791, 904, 1288, 1337, 1528, 1582, 2599, 2674, 3164, 4393, 5198, 5348, 6328, 8786, 10396, 10696, 17572, 18193, 20792, 21583, 30751, 35144, 36386, 43166, 61502, 72772, 86332, 123004, 145544, 151081, 172664, 246008, 302162, 496409, 604324, 992818, 1208648, 1985636, 3474863, 3971272, 6949726, 13899452, 27798904]

約数ペア:

[(1, 27798904), (2, 13899452), (4, 6949726), (7, 3971272), (8, 3474863), (14, 1985636), (23, 1208648), (28, 992818), (46, 604324), (56, 496409), (92, 302162), (113, 246008), (161, 172664), (184, 151081), (191, 145544), (226, 123004), (322, 86332), (382, 72772), (452, 61502), (644, 43166), (764, 36386), (791, 35144), (904, 30751), (1288, 21583), (1337, 20792), (1528, 18193), (1582, 17572), (2599, 10696), (2674, 10396), (3164, 8786), (4393, 6328), (5198, 5348)]