156947885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 206668800

約数和(自身を除く): 49720915

約数列:

[1, 5, 19, 31, 95, 137, 155, 389, 589, 685, 1945, 2603, 2945, 4247, 7391, 12059, 13015, 21235, 36955, 53293, 60295, 80693, 229121, 266465, 403465, 1012567, 1145605, 1652083, 5062835, 8260415, 31389577, 156947885]

約数ペア:

[(1, 156947885), (5, 31389577), (19, 8260415), (31, 5062835), (95, 1652083), (137, 1145605), (155, 1012567), (389, 403465), (589, 266465), (685, 229121), (1945, 80693), (2603, 60295), (2945, 53293), (4247, 36955), (7391, 21235), (12059, 13015)]