313665548

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 638668800

約数和(自身を除く): 325003252

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 191, 356, 382, 623, 659, 764, 1246, 1318, 1337, 2492, 2636, 2674, 4613, 5348, 9226, 16999, 18452, 33998, 58651, 67996, 117302, 118993, 125869, 234604, 237986, 251738, 410557, 475972, 503476, 821114, 881083, 1642228, 1762166, 3524332, 11202341, 22404682, 44809364, 78416387, 156832774, 313665548]

約数ペア:

[(1, 313665548), (2, 156832774), (4, 78416387), (7, 44809364), (14, 22404682), (28, 11202341), (89, 3524332), (178, 1762166), (191, 1642228), (356, 881083), (382, 821114), (623, 503476), (659, 475972), (764, 410557), (1246, 251738), (1318, 237986), (1337, 234604), (2492, 125869), (2636, 118993), (2674, 117302), (4613, 67996), (5348, 58651), (9226, 33998), (16999, 18452)]