81940908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7681}}^1$

素因数の和:7822

約数の個数: 48

約数和(自身を含む): 220258304

約数和(自身を除く): 138317396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 127, 254, 381, 508, 762, 889, 1524, 1778, 2667, 3556, 5334, 7681, 10668, 15362, 23043, 30724, 46086, 53767, 92172, 107534, 161301, 215068, 322602, 645204, 975487, 1950974, 2926461, 3901948, 5852922, 6828409, 11705844, 13656818, 20485227, 27313636, 40970454, 81940908]

約数ペア:

[(1, 81940908), (2, 40970454), (3, 27313636), (4, 20485227), (6, 13656818), (7, 11705844), (12, 6828409), (14, 5852922), (21, 3901948), (28, 2926461), (42, 1950974), (84, 975487), (127, 645204), (254, 322602), (381, 215068), (508, 161301), (762, 107534), (889, 92172), (1524, 53767), (1778, 46086), (2667, 30724), (3556, 23043), (5334, 15362), (7681, 10668)]