161328948

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{661}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 421063776

約数和(自身を除く): 259734828

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 43, 44, 66, 86, 129, 132, 172, 258, 473, 516, 661, 946, 1322, 1419, 1849, 1892, 1983, 2644, 2838, 3698, 3966, 5547, 5676, 7271, 7396, 7932, 11094, 14542, 20339, 21813, 22188, 28423, 29084, 40678, 43626, 56846, 61017, 81356, 85269, 87252, 113692, 122034, 170538, 244068, 312653, 341076, 625306, 937959, 1222189, 1250612, 1875918, 2444378, 3666567, 3751836, 4888756, 7333134, 13444079, 14666268, 26888158, 40332237, 53776316, 80664474, 161328948]

約数ペア:

[(1, 161328948), (2, 80664474), (3, 53776316), (4, 40332237), (6, 26888158), (11, 14666268), (12, 13444079), (22, 7333134), (33, 4888756), (43, 3751836), (44, 3666567), (66, 2444378), (86, 1875918), (129, 1250612), (132, 1222189), (172, 937959), (258, 625306), (473, 341076), (516, 312653), (661, 244068), (946, 170538), (1322, 122034), (1419, 113692), (1849, 87252), (1892, 85269), (1983, 81356), (2644, 61017), (2838, 56846), (3698, 43626), (3966, 40678), (5547, 29084), (5676, 28423), (7271, 22188), (7396, 21813), (7932, 20339), (11094, 14542)]