161681892

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{727}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 387459072

約数和(自身を除く): 225777180

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 431, 516, 727, 862, 1293, 1454, 1724, 2181, 2586, 2908, 4362, 5172, 8724, 18533, 31261, 37066, 55599, 62522, 74132, 93783, 111198, 125044, 187566, 222396, 313337, 375132, 626674, 940011, 1253348, 1880022, 3760044, 13473491, 26946982, 40420473, 53893964, 80840946, 161681892]

約数ペア:

[(1, 161681892), (2, 80840946), (3, 53893964), (4, 40420473), (6, 26946982), (12, 13473491), (43, 3760044), (86, 1880022), (129, 1253348), (172, 940011), (258, 626674), (431, 375132), (516, 313337), (727, 222396), (862, 187566), (1293, 125044), (1454, 111198), (1724, 93783), (2181, 74132), (2586, 62522), (2908, 55599), (4362, 37066), (5172, 31261), (8724, 18533)]