138820045

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 220340736

約数和(自身を除く): 81520691

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 131, 137, 221, 455, 595, 655, 685, 917, 959, 1105, 1547, 1703, 1781, 2227, 2329, 4585, 4795, 7735, 8515, 8905, 11135, 11645, 11921, 12467, 15589, 16303, 17947, 28951, 30277, 59605, 62335, 77945, 81515, 89735, 125629, 144755, 151385, 202657, 211939, 233311, 305099, 628145, 1013285, 1059695, 1166555, 1525495, 1633177, 2135693, 3966287, 8165885, 10678465, 19831435, 27764009, 138820045]

約数ペア:

[(1, 138820045), (5, 27764009), (7, 19831435), (13, 10678465), (17, 8165885), (35, 3966287), (65, 2135693), (85, 1633177), (91, 1525495), (119, 1166555), (131, 1059695), (137, 1013285), (221, 628145), (455, 305099), (595, 233311), (655, 211939), (685, 202657), (917, 151385), (959, 144755), (1105, 125629), (1547, 89735), (1703, 81515), (1781, 77945), (2227, 62335), (2329, 59605), (4585, 30277), (4795, 28951), (7735, 17947), (8515, 16303), (8905, 15589), (11135, 12467), (11645, 11921)]