81180388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{24841}}^1$

素因数の和:24907

約数の個数: 24

約数和(自身を含む): 153026720

約数和(自身を除く): 71846332

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 817, 1634, 3268, 24841, 49682, 99364, 471979, 943958, 1068163, 1887916, 2136326, 4272652, 20295097, 40590194, 81180388]

約数ペア:

[(1, 81180388), (2, 40590194), (4, 20295097), (19, 4272652), (38, 2136326), (43, 1887916), (76, 1068163), (86, 943958), (172, 471979), (817, 99364), (1634, 49682), (3268, 24841)]