81605312

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{20903}}^1$

素因数の和:20976

約数の個数: 28

約数和(自身を含む): 164598096

約数和(自身を除く): 82992784

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 20903, 41806, 83612, 167224, 334448, 668896, 1275083, 1337792, 2550166, 5100332, 10200664, 20401328, 40802656, 81605312]

約数ペア:

[(1, 81605312), (2, 40802656), (4, 20401328), (8, 10200664), (16, 5100332), (32, 2550166), (61, 1337792), (64, 1275083), (122, 668896), (244, 334448), (488, 167224), (976, 83612), (1952, 41806), (3904, 20903)]