258733545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2447}}^1$

素因数の和:2534

約数の個数: 64

約数和(自身を含む): 507617280

約数和(自身を除く): 248883735

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 53, 57, 95, 105, 133, 159, 265, 285, 371, 399, 665, 795, 1007, 1113, 1855, 1995, 2447, 3021, 5035, 5565, 7049, 7341, 12235, 15105, 17129, 21147, 35245, 36705, 46493, 51387, 85645, 105735, 129691, 139479, 232465, 256935, 325451, 389073, 648455, 697395, 907837, 976353, 1627255, 1945365, 2464129, 2723511, 4539185, 4881765, 7392387, 12320645, 13617555, 17248903, 36961935, 51746709, 86244515, 258733545]

約数ペア:

[(1, 258733545), (3, 86244515), (5, 51746709), (7, 36961935), (15, 17248903), (19, 13617555), (21, 12320645), (35, 7392387), (53, 4881765), (57, 4539185), (95, 2723511), (105, 2464129), (133, 1945365), (159, 1627255), (265, 976353), (285, 907837), (371, 697395), (399, 648455), (665, 389073), (795, 325451), (1007, 256935), (1113, 232465), (1855, 139479), (1995, 129691), (2447, 105735), (3021, 85645), (5035, 51387), (5565, 46493), (7049, 36705), (7341, 35245), (12235, 21147), (15105, 17129)]