81122476

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{56179}}^1$

素因数の和:56221

約数の個数: 18

約数和(自身を含む): 149832060

約数和(自身を除く): 68709584

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 56179, 112358, 224716, 1067401, 2134802, 4269604, 20280619, 40561238, 81122476]

約数ペア:

[(1, 81122476), (2, 40561238), (4, 20280619), (19, 4269604), (38, 2134802), (76, 1067401), (361, 224716), (722, 112358), (1444, 56179)]