1640894632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{3643}}^1$

素因数の和:3794

約数の個数: 64

約数和(自身を含む): 3416031360

約数和(自身を除く): 1775136728

約数列:

[1, 2, 4, 8, 13, 26, 52, 61, 71, 104, 122, 142, 244, 284, 488, 568, 793, 923, 1586, 1846, 3172, 3643, 3692, 4331, 6344, 7286, 7384, 8662, 14572, 17324, 29144, 34648, 47359, 56303, 94718, 112606, 189436, 222223, 225212, 258653, 378872, 444446, 450424, 517306, 888892, 1034612, 1777784, 2069224, 2888899, 3362489, 5777798, 6724978, 11555596, 13449956, 15777833, 23111192, 26899912, 31555666, 63111332, 126222664, 205111829, 410223658, 820447316, 1640894632]

約数ペア:

[(1, 1640894632), (2, 820447316), (4, 410223658), (8, 205111829), (13, 126222664), (26, 63111332), (52, 31555666), (61, 26899912), (71, 23111192), (104, 15777833), (122, 13449956), (142, 11555596), (244, 6724978), (284, 5777798), (488, 3362489), (568, 2888899), (793, 2069224), (923, 1777784), (1586, 1034612), (1846, 888892), (3172, 517306), (3643, 450424), (3692, 444446), (4331, 378872), (6344, 258653), (7286, 225212), (7384, 222223), (8662, 189436), (14572, 112606), (17324, 94718), (29144, 56303), (34648, 47359)]