664584172

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{19471}}^1$

素因数の和:19558

約数の個数: 48

約数和(自身を含む): 1413199872

約数和(自身を除く): 748615700

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 212, 322, 371, 644, 742, 1219, 1484, 2438, 4876, 8533, 17066, 19471, 34132, 38942, 77884, 136297, 272594, 447833, 545188, 895666, 1031963, 1791332, 2063926, 3134831, 4127852, 6269662, 7223741, 12539324, 14447482, 23735149, 28894964, 47470298, 94940596, 166146043, 332292086, 664584172]

約数ペア:

[(1, 664584172), (2, 332292086), (4, 166146043), (7, 94940596), (14, 47470298), (23, 28894964), (28, 23735149), (46, 14447482), (53, 12539324), (92, 7223741), (106, 6269662), (161, 4127852), (212, 3134831), (322, 2063926), (371, 1791332), (644, 1031963), (742, 895666), (1219, 545188), (1484, 447833), (2438, 272594), (4876, 136297), (8533, 77884), (17066, 38942), (19471, 34132)]