78720158

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{373}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 132324192

約数和(自身を除く): 53604034

約数列:

[1, 2, 11, 22, 53, 106, 181, 362, 373, 583, 746, 1166, 1991, 3982, 4103, 8206, 9593, 19186, 19769, 39538, 67513, 105523, 135026, 211046, 217459, 434918, 742643, 1485286, 3578189, 7156378, 39360079, 78720158]

約数ペア:

[(1, 78720158), (2, 39360079), (11, 7156378), (22, 3578189), (53, 1485286), (106, 742643), (181, 434918), (362, 217459), (373, 211046), (583, 135026), (746, 105523), (1166, 67513), (1991, 39538), (3982, 19769), (4103, 19186), (8206, 9593)]