78289198

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{709}}^1$

素因数の和:892

約数の個数: 32

約数和(自身を含む): 131685120

約数和(自身を除く): 53395922

約数列:

[1, 2, 13, 26, 31, 62, 137, 274, 403, 709, 806, 1418, 1781, 3562, 4247, 8494, 9217, 18434, 21979, 43958, 55211, 97133, 110422, 194266, 285727, 571454, 1262729, 2525458, 3011123, 6022246, 39144599, 78289198]

約数ペア:

[(1, 78289198), (2, 39144599), (13, 6022246), (26, 3011123), (31, 2525458), (62, 1262729), (137, 571454), (274, 285727), (403, 194266), (709, 110422), (806, 97133), (1418, 55211), (1781, 43958), (3562, 21979), (4247, 18434), (8494, 9217)]