161771256

素因数分解:

$2^3\times 3^4\times {\mathrm{249647}}^1$

素因数の和:249665

約数の個数: 40

約数和(自身を含む): 453111120

約数和(自身を除く): 291339864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 249647, 499294, 748941, 998588, 1497882, 1997176, 2246823, 2995764, 4493646, 5991528, 6740469, 8987292, 13480938, 17974584, 20221407, 26961876, 40442814, 53923752, 80885628, 161771256]

約数ペア:

[(1, 161771256), (2, 80885628), (3, 53923752), (4, 40442814), (6, 26961876), (8, 20221407), (9, 17974584), (12, 13480938), (18, 8987292), (24, 6740469), (27, 5991528), (36, 4493646), (54, 2995764), (72, 2246823), (81, 1997176), (108, 1497882), (162, 998588), (216, 748941), (324, 499294), (648, 249647)]