491747774

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1\times {\mathrm{1259}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 881072640

約数和(自身を除く): 389324866

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 1213, 1259, 2426, 2518, 8491, 8813, 16982, 17626, 27899, 28957, 55798, 57914, 195293, 202699, 390586, 405398, 1527167, 3054334, 10690169, 21380338, 35124841, 70249682, 245873887, 491747774]

約数ペア:

[(1, 491747774), (2, 245873887), (7, 70249682), (14, 35124841), (23, 21380338), (46, 10690169), (161, 3054334), (322, 1527167), (1213, 405398), (1259, 390586), (2426, 202699), (2518, 195293), (8491, 57914), (8813, 55798), (16982, 28957), (17626, 27899)]