157400978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{3769}}^1$

素因数の和:3954

約数の個数: 32

約数和(自身を含む): 285916800

約数和(自身を除く): 128515822

約数列:

[1, 2, 7, 14, 19, 38, 133, 157, 266, 314, 1099, 2198, 2983, 3769, 5966, 7538, 20881, 26383, 41762, 52766, 71611, 143222, 501277, 591733, 1002554, 1183466, 4142131, 8284262, 11242927, 22485854, 78700489, 157400978]

約数ペア:

[(1, 157400978), (2, 78700489), (7, 22485854), (14, 11242927), (19, 8284262), (38, 4142131), (133, 1183466), (157, 1002554), (266, 591733), (314, 501277), (1099, 143222), (2198, 71611), (2983, 52766), (3769, 41762), (5966, 26383), (7538, 20881)]