81754192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{409}}^1$

素因数の和:492

約数の個数: 60

約数和(自身を含む): 176694420

約数和(自身を除く): 94940228

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 409, 496, 806, 818, 961, 1612, 1636, 1922, 3224, 3272, 3844, 5317, 6448, 6544, 7688, 10634, 12493, 12679, 15376, 21268, 24986, 25358, 42536, 49972, 50716, 85072, 99944, 101432, 164827, 199888, 202864, 329654, 393049, 659308, 786098, 1318616, 1572196, 2637232, 3144392, 5109637, 6288784, 10219274, 20438548, 40877096, 81754192]

約数ペア:

[(1, 81754192), (2, 40877096), (4, 20438548), (8, 10219274), (13, 6288784), (16, 5109637), (26, 3144392), (31, 2637232), (52, 1572196), (62, 1318616), (104, 786098), (124, 659308), (208, 393049), (248, 329654), (403, 202864), (409, 199888), (496, 164827), (806, 101432), (818, 99944), (961, 85072), (1612, 50716), (1636, 49972), (1922, 42536), (3224, 25358), (3272, 24986), (3844, 21268), (5317, 15376), (6448, 12679), (6544, 12493), (7688, 10634)]